Home / 38,307.16-57,460.65-12,011.86

Finding the Fourth Proportional to 38,307.16, 57,460.65 and 12,011.86

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Solution

The fourth proportional to 38,307.16, 57,460.65 and 12,011.86 is: 18,017.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,307.16 : 57,460.65 = 12,011.86 : x
  2. Step 2: Convert to fraction form
    38,307.16/57,460.65 = 12,011.86/x
  3. Step 3: Cross multiply
    38,307.16x = 57,460.65 × 12,011.86
  4. Step 4: Simplify right side
    38,307.16x = 690,209,283.31
  5. Step 5: Solve for x
    x = 690,209,283.31/38,307.16
  6. Step 6: Final answer
    x = 18,017.76

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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.