Home / 15,604.46-21,531.80-8,798.19

Finding the Fourth Proportional to 15,604.46, 21,531.80 and 8,798.19

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Solution

The fourth proportional to 15,604.46, 21,531.80 and 8,798.19 is: 12,140.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604.46 : 21,531.80 = 8,798.19 : x
  2. Step 2: Convert to fraction form
    15,604.46/21,531.80 = 8,798.19/x
  3. Step 3: Cross multiply
    15,604.46x = 21,531.80 × 8,798.19
  4. Step 4: Simplify right side
    15,604.46x = 189,440,808.69
  5. Step 5: Solve for x
    x = 189,440,808.69/15,604.46
  6. Step 6: Final answer
    x = 12,140.17

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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.