Home / 15,581.70-23,323.95-12,276.90

Finding the Fourth Proportional to 15,581.70, 23,323.95 and 12,276.90

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Solution

The fourth proportional to 15,581.70, 23,323.95 and 12,276.90 is: 18,377.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581.70 : 23,323.95 = 12,276.90 : x
  2. Step 2: Convert to fraction form
    15,581.70/23,323.95 = 12,276.90/x
  3. Step 3: Cross multiply
    15,581.70x = 23,323.95 × 12,276.90
  4. Step 4: Simplify right side
    15,581.70x = 286,345,801.76
  5. Step 5: Solve for x
    x = 286,345,801.76/15,581.70
  6. Step 6: Final answer
    x = 18,377.06

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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.