Home / 15,862.80-23,765.40-12,925.20

Finding the Fourth Proportional to 15,862.80, 23,765.40 and 12,925.20

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Solution

The fourth proportional to 15,862.80, 23,765.40 and 12,925.20 is: 19,364.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,862.80 : 23,765.40 = 12,925.20 : x
  2. Step 2: Convert to fraction form
    15,862.80/23,765.40 = 12,925.20/x
  3. Step 3: Cross multiply
    15,862.80x = 23,765.40 × 12,925.20
  4. Step 4: Simplify right side
    15,862.80x = 307,172,548.08
  5. Step 5: Solve for x
    x = 307,172,548.08/15,862.80
  6. Step 6: Final answer
    x = 19,364.33

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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.