Home / 10,439.04-14,410.80-6,462.75

Finding the Fourth Proportional to 10,439.04, 14,410.80 and 6,462.75

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Solution

The fourth proportional to 10,439.04, 14,410.80 and 6,462.75 is: 8,921.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.04 : 14,410.80 = 6,462.75 : x
  2. Step 2: Convert to fraction form
    10,439.04/14,410.80 = 6,462.75/x
  3. Step 3: Cross multiply
    10,439.04x = 14,410.80 × 6,462.75
  4. Step 4: Simplify right side
    10,439.04x = 93,133,397.70
  5. Step 5: Solve for x
    x = 93,133,397.70/10,439.04
  6. Step 6: Final answer
    x = 8,921.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.