Home / 15,981.36-23,956.92-8,574.72

Finding the Fourth Proportional to 15,981.36, 23,956.92 and 8,574.72

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Solution

The fourth proportional to 15,981.36, 23,956.92 and 8,574.72 is: 12,853.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.36 : 23,956.92 = 8,574.72 : x
  2. Step 2: Convert to fraction form
    15,981.36/23,956.92 = 8,574.72/x
  3. Step 3: Cross multiply
    15,981.36x = 23,956.92 × 8,574.72
  4. Step 4: Simplify right side
    15,981.36x = 205,423,881.06
  5. Step 5: Solve for x
    x = 205,423,881.06/15,981.36
  6. Step 6: Final answer
    x = 12,853.97

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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.