Home / 15,581.84-21,489.68-10,544.72

Finding the Fourth Proportional to 15,581.84, 21,489.68 and 10,544.72

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Solution

The fourth proportional to 15,581.84, 21,489.68 and 10,544.72 is: 14,542.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581.84 : 21,489.68 = 10,544.72 : x
  2. Step 2: Convert to fraction form
    15,581.84/21,489.68 = 10,544.72/x
  3. Step 3: Cross multiply
    15,581.84x = 21,489.68 × 10,544.72
  4. Step 4: Simplify right side
    15,581.84x = 226,602,658.49
  5. Step 5: Solve for x
    x = 226,602,658.49/15,581.84
  6. Step 6: Final answer
    x = 14,542.74

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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.