Home / 15,806.19-23,711.58-6,446.78

Finding the Fourth Proportional to 15,806.19, 23,711.58 and 6,446.78

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Solution

The fourth proportional to 15,806.19, 23,711.58 and 6,446.78 is: 9,671.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,806.19 : 23,711.58 = 6,446.78 : x
  2. Step 2: Convert to fraction form
    15,806.19/23,711.58 = 6,446.78/x
  3. Step 3: Cross multiply
    15,806.19x = 23,711.58 × 6,446.78
  4. Step 4: Simplify right side
    15,806.19x = 152,863,339.71
  5. Step 5: Solve for x
    x = 152,863,339.71/15,806.19
  6. Step 6: Final answer
    x = 9,671.11

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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.