Home / 14,909.32-22,366.68-6,139.45

Finding the Fourth Proportional to 14,909.32, 22,366.68 and 6,139.45

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Solution

The fourth proportional to 14,909.32, 22,366.68 and 6,139.45 is: 9,210.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.32 : 22,366.68 = 6,139.45 : x
  2. Step 2: Convert to fraction form
    14,909.32/22,366.68 = 6,139.45/x
  3. Step 3: Cross multiply
    14,909.32x = 22,366.68 × 6,139.45
  4. Step 4: Simplify right side
    14,909.32x = 137,319,113.53
  5. Step 5: Solve for x
    x = 137,319,113.53/14,909.32
  6. Step 6: Final answer
    x = 9,210.29

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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.