Home / 9,417.40-14,127.40-3,179.20

Finding the Fourth Proportional to 9,417.40, 14,127.40 and 3,179.20

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Solution

The fourth proportional to 9,417.40, 14,127.40 and 3,179.20 is: 4,769.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.40 : 14,127.40 = 3,179.20 : x
  2. Step 2: Convert to fraction form
    9,417.40/14,127.40 = 3,179.20/x
  3. Step 3: Cross multiply
    9,417.40x = 14,127.40 × 3,179.20
  4. Step 4: Simplify right side
    9,417.40x = 44,913,830.08
  5. Step 5: Solve for x
    x = 44,913,830.08/9,417.40
  6. Step 6: Final answer
    x = 4,769.24

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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.