Home / 14,154.12-19,527.71-8,490.71

Finding the Fourth Proportional to 14,154.12, 19,527.71 and 8,490.71

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Solution

The fourth proportional to 14,154.12, 19,527.71 and 8,490.71 is: 11,714.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.12 : 19,527.71 = 8,490.71 : x
  2. Step 2: Convert to fraction form
    14,154.12/19,527.71 = 8,490.71/x
  3. Step 3: Cross multiply
    14,154.12x = 19,527.71 × 8,490.71
  4. Step 4: Simplify right side
    14,154.12x = 165,803,982.48
  5. Step 5: Solve for x
    x = 165,803,982.48/14,154.12
  6. Step 6: Final answer
    x = 11,714.19

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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.