Home / 14,777.16-22,140.68-8,921.47

Finding the Fourth Proportional to 14,777.16, 22,140.68 and 8,921.47

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Solution

The fourth proportional to 14,777.16, 22,140.68 and 8,921.47 is: 13,367.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.16 : 22,140.68 = 8,921.47 : x
  2. Step 2: Convert to fraction form
    14,777.16/22,140.68 = 8,921.47/x
  3. Step 3: Cross multiply
    14,777.16x = 22,140.68 × 8,921.47
  4. Step 4: Simplify right side
    14,777.16x = 197,527,412.40
  5. Step 5: Solve for x
    x = 197,527,412.40/14,777.16
  6. Step 6: Final answer
    x = 13,367.08

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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.