Home / 21,006.08-31,522.29-8,526.16

Finding the Fourth Proportional to 21,006.08, 31,522.29 and 8,526.16

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Solution

The fourth proportional to 21,006.08, 31,522.29 and 8,526.16 is: 12,794.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,006.08 : 31,522.29 = 8,526.16 : x
  2. Step 2: Convert to fraction form
    21,006.08/31,522.29 = 8,526.16/x
  3. Step 3: Cross multiply
    21,006.08x = 31,522.29 × 8,526.16
  4. Step 4: Simplify right side
    21,006.08x = 268,764,088.11
  5. Step 5: Solve for x
    x = 268,764,088.11/21,006.08
  6. Step 6: Final answer
    x = 12,794.59

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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.