Home / 15,943.57-22,002.13-8,870.00

Finding the Fourth Proportional to 15,943.57, 22,002.13 and 8,870.00

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Solution

The fourth proportional to 15,943.57, 22,002.13 and 8,870.00 is: 12,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943.57 : 22,002.13 = 8,870.00 : x
  2. Step 2: Convert to fraction form
    15,943.57/22,002.13 = 8,870.00/x
  3. Step 3: Cross multiply
    15,943.57x = 22,002.13 × 8,870.00
  4. Step 4: Simplify right side
    15,943.57x = 195,158,794.18
  5. Step 5: Solve for x
    x = 195,158,794.18/15,943.57
  6. Step 6: Final answer
    x = 12,240.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.