Home / 15,506.24-21,399.05-9,541.40

Finding the Fourth Proportional to 15,506.24, 21,399.05 and 9,541.40

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Solution

The fourth proportional to 15,506.24, 21,399.05 and 9,541.40 is: 13,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,506.24 : 21,399.05 = 9,541.40 : x
  2. Step 2: Convert to fraction form
    15,506.24/21,399.05 = 9,541.40/x
  3. Step 3: Cross multiply
    15,506.24x = 21,399.05 × 9,541.40
  4. Step 4: Simplify right side
    15,506.24x = 204,176,812.53
  5. Step 5: Solve for x
    x = 204,176,812.53/15,506.24
  6. Step 6: Final answer
    x = 13,167.40

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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.