Home / 9,430.12-14,145.18-6,499.60

Finding the Fourth Proportional to 9,430.12, 14,145.18 and 6,499.60

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Solution

The fourth proportional to 9,430.12, 14,145.18 and 6,499.60 is: 9,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.12 : 14,145.18 = 6,499.60 : x
  2. Step 2: Convert to fraction form
    9,430.12/14,145.18 = 6,499.60/x
  3. Step 3: Cross multiply
    9,430.12x = 14,145.18 × 6,499.60
  4. Step 4: Simplify right side
    9,430.12x = 91,938,011.93
  5. Step 5: Solve for x
    x = 91,938,011.93/9,430.12
  6. Step 6: Final answer
    x = 9,749.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.