Home / 10,455.19-14,430.92-6,474.04

Finding the Fourth Proportional to 10,455.19, 14,430.92 and 6,474.04

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Solution

The fourth proportional to 10,455.19, 14,430.92 and 6,474.04 is: 8,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.19 : 14,430.92 = 6,474.04 : x
  2. Step 2: Convert to fraction form
    10,455.19/14,430.92 = 6,474.04/x
  3. Step 3: Cross multiply
    10,455.19x = 14,430.92 × 6,474.04
  4. Step 4: Simplify right side
    10,455.19x = 93,426,353.32
  5. Step 5: Solve for x
    x = 93,426,353.32/10,455.19
  6. Step 6: Final answer
    x = 8,935.88

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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.