Home / 10,347.29-14,280.66-10,065.86

Finding the Fourth Proportional to 10,347.29, 14,280.66 and 10,065.86

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Solution

The fourth proportional to 10,347.29, 14,280.66 and 10,065.86 is: 13,892.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.29 : 14,280.66 = 10,065.86 : x
  2. Step 2: Convert to fraction form
    10,347.29/14,280.66 = 10,065.86/x
  3. Step 3: Cross multiply
    10,347.29x = 14,280.66 × 10,065.86
  4. Step 4: Simplify right side
    10,347.29x = 143,747,124.27
  5. Step 5: Solve for x
    x = 143,747,124.27/10,347.29
  6. Step 6: Final answer
    x = 13,892.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.