Home / 15,609.57-21,541.80-8,896.23

Finding the Fourth Proportional to 15,609.57, 21,541.80 and 8,896.23

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Solution

The fourth proportional to 15,609.57, 21,541.80 and 8,896.23 is: 12,277.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,609.57 : 21,541.80 = 8,896.23 : x
  2. Step 2: Convert to fraction form
    15,609.57/21,541.80 = 8,896.23/x
  3. Step 3: Cross multiply
    15,609.57x = 21,541.80 × 8,896.23
  4. Step 4: Simplify right side
    15,609.57x = 191,640,807.41
  5. Step 5: Solve for x
    x = 191,640,807.41/15,609.57
  6. Step 6: Final answer
    x = 12,277.14

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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.