Home / 9,732.81-13,431.30-5,541.06

Finding the Fourth Proportional to 9,732.81, 13,431.30 and 5,541.06

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Solution

The fourth proportional to 9,732.81, 13,431.30 and 5,541.06 is: 7,646.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,732.81 : 13,431.30 = 5,541.06 : x
  2. Step 2: Convert to fraction form
    9,732.81/13,431.30 = 5,541.06/x
  3. Step 3: Cross multiply
    9,732.81x = 13,431.30 × 5,541.06
  4. Step 4: Simplify right side
    9,732.81x = 74,423,639.18
  5. Step 5: Solve for x
    x = 74,423,639.18/9,732.81
  6. Step 6: Final answer
    x = 7,646.68

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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.