Home / 12,885.60-19,323.36-4,562.40

Finding the Fourth Proportional to 12,885.60, 19,323.36 and 4,562.40

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Solution

The fourth proportional to 12,885.60, 19,323.36 and 4,562.40 is: 6,841.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885.60 : 19,323.36 = 4,562.40 : x
  2. Step 2: Convert to fraction form
    12,885.60/19,323.36 = 4,562.40/x
  3. Step 3: Cross multiply
    12,885.60x = 19,323.36 × 4,562.40
  4. Step 4: Simplify right side
    12,885.60x = 88,160,897.66
  5. Step 5: Solve for x
    x = 88,160,897.66/12,885.60
  6. Step 6: Final answer
    x = 6,841.82

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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.