Home / 15,407.25-23,108.55-4,312.50

Finding the Fourth Proportional to 15,407.25, 23,108.55 and 4,312.50

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Solution

The fourth proportional to 15,407.25, 23,108.55 and 4,312.50 is: 6,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,407.25 : 23,108.55 = 4,312.50 : x
  2. Step 2: Convert to fraction form
    15,407.25/23,108.55 = 4,312.50/x
  3. Step 3: Cross multiply
    15,407.25x = 23,108.55 × 4,312.50
  4. Step 4: Simplify right side
    15,407.25x = 99,655,621.88
  5. Step 5: Solve for x
    x = 99,655,621.88/15,407.25
  6. Step 6: Final answer
    x = 6,468.10

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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.