Home / 15,677.30-21,652.49-10,632.74

Finding the Fourth Proportional to 15,677.30, 21,652.49 and 10,632.74

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Solution

The fourth proportional to 15,677.30, 21,652.49 and 10,632.74 is: 14,685.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,677.30 : 21,652.49 = 10,632.74 : x
  2. Step 2: Convert to fraction form
    15,677.30/21,652.49 = 10,632.74/x
  3. Step 3: Cross multiply
    15,677.30x = 21,652.49 × 10,632.74
  4. Step 4: Simplify right side
    15,677.30x = 230,225,377.24
  5. Step 5: Solve for x
    x = 230,225,377.24/15,677.30
  6. Step 6: Final answer
    x = 14,685.27

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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.