Home / 9,430.40-14,135.27-4,742.93

Finding the Fourth Proportional to 9,430.40, 14,135.27 and 4,742.93

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Solution

The fourth proportional to 9,430.40, 14,135.27 and 4,742.93 is: 7,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.40 : 14,135.27 = 4,742.93 : x
  2. Step 2: Convert to fraction form
    9,430.40/14,135.27 = 4,742.93/x
  3. Step 3: Cross multiply
    9,430.40x = 14,135.27 × 4,742.93
  4. Step 4: Simplify right side
    9,430.40x = 67,042,596.14
  5. Step 5: Solve for x
    x = 67,042,596.14/9,430.40
  6. Step 6: Final answer
    x = 7,109.20

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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.