Home / 19,643.49-29,459.34-5,602.53

Finding the Fourth Proportional to 19,643.49, 29,459.34 and 5,602.53

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Solution

The fourth proportional to 19,643.49, 29,459.34 and 5,602.53 is: 8,402.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,643.49 : 29,459.34 = 5,602.53 : x
  2. Step 2: Convert to fraction form
    19,643.49/29,459.34 = 5,602.53/x
  3. Step 3: Cross multiply
    19,643.49x = 29,459.34 × 5,602.53
  4. Step 4: Simplify right side
    19,643.49x = 165,046,836.13
  5. Step 5: Solve for x
    x = 165,046,836.13/19,643.49
  6. Step 6: Final answer
    x = 8,402.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.