Home / 14,766.91-20,402.28-13,159.46

Finding the Fourth Proportional to 14,766.91, 20,402.28 and 13,159.46

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Solution

The fourth proportional to 14,766.91, 20,402.28 and 13,159.46 is: 18,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,766.91 : 20,402.28 = 13,159.46 : x
  2. Step 2: Convert to fraction form
    14,766.91/20,402.28 = 13,159.46/x
  3. Step 3: Cross multiply
    14,766.91x = 20,402.28 × 13,159.46
  4. Step 4: Simplify right side
    14,766.91x = 268,483,038.57
  5. Step 5: Solve for x
    x = 268,483,038.57/14,766.91
  6. Step 6: Final answer
    x = 18,181.40

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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.