Home / 10,956.04-15,116.92-6,476.72

Finding the Fourth Proportional to 10,956.04, 15,116.92 and 6,476.72

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Solution

The fourth proportional to 10,956.04, 15,116.92 and 6,476.72 is: 8,936.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.04 : 15,116.92 = 6,476.72 : x
  2. Step 2: Convert to fraction form
    10,956.04/15,116.92 = 6,476.72/x
  3. Step 3: Cross multiply
    10,956.04x = 15,116.92 × 6,476.72
  4. Step 4: Simplify right side
    10,956.04x = 97,908,058.10
  5. Step 5: Solve for x
    x = 97,908,058.10/10,956.04
  6. Step 6: Final answer
    x = 8,936.45

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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.