Home / 14,702.47-20,289.96-8,734.69

Finding the Fourth Proportional to 14,702.47, 20,289.96 and 8,734.69

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Solution

The fourth proportional to 14,702.47, 20,289.96 and 8,734.69 is: 12,054.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,702.47 : 20,289.96 = 8,734.69 : x
  2. Step 2: Convert to fraction form
    14,702.47/20,289.96 = 8,734.69/x
  3. Step 3: Cross multiply
    14,702.47x = 20,289.96 × 8,734.69
  4. Step 4: Simplify right side
    14,702.47x = 177,226,510.71
  5. Step 5: Solve for x
    x = 177,226,510.71/14,702.47
  6. Step 6: Final answer
    x = 12,054.20

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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.