Home / 15,541.80-23,312.70-5,154.60

Finding the Fourth Proportional to 15,541.80, 23,312.70 and 5,154.60

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Solution

The fourth proportional to 15,541.80, 23,312.70 and 5,154.60 is: 7,731.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541.80 : 23,312.70 = 5,154.60 : x
  2. Step 2: Convert to fraction form
    15,541.80/23,312.70 = 5,154.60/x
  3. Step 3: Cross multiply
    15,541.80x = 23,312.70 × 5,154.60
  4. Step 4: Simplify right side
    15,541.80x = 120,167,643.42
  5. Step 5: Solve for x
    x = 120,167,643.42/15,541.80
  6. Step 6: Final answer
    x = 7,731.90

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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.