Home / 15,646.49-21,592.20-8,476.48

Finding the Fourth Proportional to 15,646.49, 21,592.20 and 8,476.48

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Solution

The fourth proportional to 15,646.49, 21,592.20 and 8,476.48 is: 11,697.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,646.49 : 21,592.20 = 8,476.48 : x
  2. Step 2: Convert to fraction form
    15,646.49/21,592.20 = 8,476.48/x
  3. Step 3: Cross multiply
    15,646.49x = 21,592.20 × 8,476.48
  4. Step 4: Simplify right side
    15,646.49x = 183,025,851.46
  5. Step 5: Solve for x
    x = 183,025,851.46/15,646.49
  6. Step 6: Final answer
    x = 11,697.57

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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.