Home / 15,411.15-23,102.69-5,548.19

Finding the Fourth Proportional to 15,411.15, 23,102.69 and 5,548.19

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Solution

The fourth proportional to 15,411.15, 23,102.69 and 5,548.19 is: 8,317.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,411.15 : 23,102.69 = 5,548.19 : x
  2. Step 2: Convert to fraction form
    15,411.15/23,102.69 = 5,548.19/x
  3. Step 3: Cross multiply
    15,411.15x = 23,102.69 × 5,548.19
  4. Step 4: Simplify right side
    15,411.15x = 128,177,970.38
  5. Step 5: Solve for x
    x = 128,177,970.38/15,411.15
  6. Step 6: Final answer
    x = 8,317.22

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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.