Home / 19,988.02-29,948.15-12,073.90

Finding the Fourth Proportional to 19,988.02, 29,948.15 and 12,073.90

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Solution

The fourth proportional to 19,988.02, 29,948.15 and 12,073.90 is: 18,090.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988.02 : 29,948.15 = 12,073.90 : x
  2. Step 2: Convert to fraction form
    19,988.02/29,948.15 = 12,073.90/x
  3. Step 3: Cross multiply
    19,988.02x = 29,948.15 × 12,073.90
  4. Step 4: Simplify right side
    19,988.02x = 361,590,968.29
  5. Step 5: Solve for x
    x = 361,590,968.29/19,988.02
  6. Step 6: Final answer
    x = 18,090.38

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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.