Home / 15,264.47-21,064.39-8,549.77

Finding the Fourth Proportional to 15,264.47, 21,064.39 and 8,549.77

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Solution

The fourth proportional to 15,264.47, 21,064.39 and 8,549.77 is: 11,798.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,264.47 : 21,064.39 = 8,549.77 : x
  2. Step 2: Convert to fraction form
    15,264.47/21,064.39 = 8,549.77/x
  3. Step 3: Cross multiply
    15,264.47x = 21,064.39 × 8,549.77
  4. Step 4: Simplify right side
    15,264.47x = 180,095,689.69
  5. Step 5: Solve for x
    x = 180,095,689.69/15,264.47
  6. Step 6: Final answer
    x = 11,798.36

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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.