Home / 15,730.87-23,608.10-9,816.40

Finding the Fourth Proportional to 15,730.87, 23,608.10 and 9,816.40

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Solution

The fourth proportional to 15,730.87, 23,608.10 and 9,816.40 is: 14,731.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,730.87 : 23,608.10 = 9,816.40 : x
  2. Step 2: Convert to fraction form
    15,730.87/23,608.10 = 9,816.40/x
  3. Step 3: Cross multiply
    15,730.87x = 23,608.10 × 9,816.40
  4. Step 4: Simplify right side
    15,730.87x = 231,746,552.84
  5. Step 5: Solve for x
    x = 231,746,552.84/15,730.87
  6. Step 6: Final answer
    x = 14,731.96

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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.