Home / 9,390.12-14,085.18-6,459.56

Finding the Fourth Proportional to 9,390.12, 14,085.18 and 6,459.56

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Solution

The fourth proportional to 9,390.12, 14,085.18 and 6,459.56 is: 9,689.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390.12 : 14,085.18 = 6,459.56 : x
  2. Step 2: Convert to fraction form
    9,390.12/14,085.18 = 6,459.56/x
  3. Step 3: Cross multiply
    9,390.12x = 14,085.18 × 6,459.56
  4. Step 4: Simplify right side
    9,390.12x = 90,984,065.32
  5. Step 5: Solve for x
    x = 90,984,065.32/9,390.12
  6. Step 6: Final answer
    x = 9,689.34

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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.