Home / 19,988.88-29,977.65-5,948.34

Finding the Fourth Proportional to 19,988.88, 29,977.65 and 5,948.34

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Solution

The fourth proportional to 19,988.88, 29,977.65 and 5,948.34 is: 8,920.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,988.88 : 29,977.65 = 5,948.34 : x
  2. Step 2: Convert to fraction form
    19,988.88/29,977.65 = 5,948.34/x
  3. Step 3: Cross multiply
    19,988.88x = 29,977.65 × 5,948.34
  4. Step 4: Simplify right side
    19,988.88x = 178,317,254.60
  5. Step 5: Solve for x
    x = 178,317,254.60/19,988.88
  6. Step 6: Final answer
    x = 8,920.82

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1.5x scale

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.