Home / 10,152.07-15,235.80-4,312.78

Finding the Fourth Proportional to 10,152.07, 15,235.80 and 4,312.78

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Solution

The fourth proportional to 10,152.07, 15,235.80 and 4,312.78 is: 6,472.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152.07 : 15,235.80 = 4,312.78 : x
  2. Step 2: Convert to fraction form
    10,152.07/15,235.80 = 4,312.78/x
  3. Step 3: Cross multiply
    10,152.07x = 15,235.80 × 4,312.78
  4. Step 4: Simplify right side
    10,152.07x = 65,708,653.52
  5. Step 5: Solve for x
    x = 65,708,653.52/10,152.07
  6. Step 6: Final answer
    x = 6,472.44

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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.