Home / 15,385.04-23,062.97-4,989.50

Finding the Fourth Proportional to 15,385.04, 23,062.97 and 4,989.50

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Solution

The fourth proportional to 15,385.04, 23,062.97 and 4,989.50 is: 7,479.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,385.04 : 23,062.97 = 4,989.50 : x
  2. Step 2: Convert to fraction form
    15,385.04/23,062.97 = 4,989.50/x
  3. Step 3: Cross multiply
    15,385.04x = 23,062.97 × 4,989.50
  4. Step 4: Simplify right side
    15,385.04x = 115,072,688.82
  5. Step 5: Solve for x
    x = 115,072,688.82/15,385.04
  6. Step 6: Final answer
    x = 7,479.52

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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.