Home / 15,291.60-22,931.80-12,011.08

Finding the Fourth Proportional to 15,291.60, 22,931.80 and 12,011.08

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Solution

The fourth proportional to 15,291.60, 22,931.80 and 12,011.08 is: 18,012.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,291.60 : 22,931.80 = 12,011.08 : x
  2. Step 2: Convert to fraction form
    15,291.60/22,931.80 = 12,011.08/x
  3. Step 3: Cross multiply
    15,291.60x = 22,931.80 × 12,011.08
  4. Step 4: Simplify right side
    15,291.60x = 275,435,684.34
  5. Step 5: Solve for x
    x = 275,435,684.34/15,291.60
  6. Step 6: Final answer
    x = 18,012.22

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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.