Home / 12,570.04-18,837.30-9,925.90

Finding the Fourth Proportional to 12,570.04, 18,837.30 and 9,925.90

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Solution

The fourth proportional to 12,570.04, 18,837.30 and 9,925.90 is: 14,874.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570.04 : 18,837.30 = 9,925.90 : x
  2. Step 2: Convert to fraction form
    12,570.04/18,837.30 = 9,925.90/x
  3. Step 3: Cross multiply
    12,570.04x = 18,837.30 × 9,925.90
  4. Step 4: Simplify right side
    12,570.04x = 186,977,156.07
  5. Step 5: Solve for x
    x = 186,977,156.07/12,570.04
  6. Step 6: Final answer
    x = 14,874.83

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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.