Home / 15,686.26-23,510.25-12,003.90

Finding the Fourth Proportional to 15,686.26, 23,510.25 and 12,003.90

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Solution

The fourth proportional to 15,686.26, 23,510.25 and 12,003.90 is: 17,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,686.26 : 23,510.25 = 12,003.90 : x
  2. Step 2: Convert to fraction form
    15,686.26/23,510.25 = 12,003.90/x
  3. Step 3: Cross multiply
    15,686.26x = 23,510.25 × 12,003.90
  4. Step 4: Simplify right side
    15,686.26x = 282,214,601.81
  5. Step 5: Solve for x
    x = 282,214,601.81/15,686.26
  6. Step 6: Final answer
    x = 17,991.20

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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.