Home / 15,654.34-21,602.01-8,580.26

Finding the Fourth Proportional to 15,654.34, 21,602.01 and 8,580.26

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Solution

The fourth proportional to 15,654.34, 21,602.01 and 8,580.26 is: 11,840.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,654.34 : 21,602.01 = 8,580.26 : x
  2. Step 2: Convert to fraction form
    15,654.34/21,602.01 = 8,580.26/x
  3. Step 3: Cross multiply
    15,654.34x = 21,602.01 × 8,580.26
  4. Step 4: Simplify right side
    15,654.34x = 185,350,862.32
  5. Step 5: Solve for x
    x = 185,350,862.32/15,654.34
  6. Step 6: Final answer
    x = 11,840.22

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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.