Home / 15,602.24-21,531.03-8,528.70

Finding the Fourth Proportional to 15,602.24, 21,531.03 and 8,528.70

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Solution

The fourth proportional to 15,602.24, 21,531.03 and 8,528.70 is: 11,769.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,602.24 : 21,531.03 = 8,528.70 : x
  2. Step 2: Convert to fraction form
    15,602.24/21,531.03 = 8,528.70/x
  3. Step 3: Cross multiply
    15,602.24x = 21,531.03 × 8,528.70
  4. Step 4: Simplify right side
    15,602.24x = 183,631,695.56
  5. Step 5: Solve for x
    x = 183,631,695.56/15,602.24
  6. Step 6: Final answer
    x = 11,769.58

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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.