Home / 10,576.32-15,864.40-4,420.32

Finding the Fourth Proportional to 10,576.32, 15,864.40 and 4,420.32

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Solution

The fourth proportional to 10,576.32, 15,864.40 and 4,420.32 is: 6,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,576.32 : 15,864.40 = 4,420.32 : x
  2. Step 2: Convert to fraction form
    10,576.32/15,864.40 = 4,420.32/x
  3. Step 3: Cross multiply
    10,576.32x = 15,864.40 × 4,420.32
  4. Step 4: Simplify right side
    10,576.32x = 70,125,724.61
  5. Step 5: Solve for x
    x = 70,125,724.61/10,576.32
  6. Step 6: Final answer
    x = 6,630.45

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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.