Home / 15,600.47-21,528.65-8,526.89

Finding the Fourth Proportional to 15,600.47, 21,528.65 and 8,526.89

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Solution

The fourth proportional to 15,600.47, 21,528.65 and 8,526.89 is: 11,767.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600.47 : 21,528.65 = 8,526.89 : x
  2. Step 2: Convert to fraction form
    15,600.47/21,528.65 = 8,526.89/x
  3. Step 3: Cross multiply
    15,600.47x = 21,528.65 × 8,526.89
  4. Step 4: Simplify right side
    15,600.47x = 183,572,384.44
  5. Step 5: Solve for x
    x = 183,572,384.44/15,600.47
  6. Step 6: Final answer
    x = 11,767.11

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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.