Home / 15,780.83-23,666.12-5,248.02

Finding the Fourth Proportional to 15,780.83, 23,666.12 and 5,248.02

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Solution

The fourth proportional to 15,780.83, 23,666.12 and 5,248.02 is: 7,870.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,780.83 : 23,666.12 = 5,248.02 : x
  2. Step 2: Convert to fraction form
    15,780.83/23,666.12 = 5,248.02/x
  3. Step 3: Cross multiply
    15,780.83x = 23,666.12 × 5,248.02
  4. Step 4: Simplify right side
    15,780.83x = 124,200,244.84
  5. Step 5: Solve for x
    x = 124,200,244.84/15,780.83
  6. Step 6: Final answer
    x = 7,870.32

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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.