Home / 15,625.09-21,559.29-9,253.69

Finding the Fourth Proportional to 15,625.09, 21,559.29 and 9,253.69

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Solution

The fourth proportional to 15,625.09, 21,559.29 and 9,253.69 is: 12,768.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,625.09 : 21,559.29 = 9,253.69 : x
  2. Step 2: Convert to fraction form
    15,625.09/21,559.29 = 9,253.69/x
  3. Step 3: Cross multiply
    15,625.09x = 21,559.29 × 9,253.69
  4. Step 4: Simplify right side
    15,625.09x = 199,502,878.48
  5. Step 5: Solve for x
    x = 199,502,878.48/15,625.09
  6. Step 6: Final answer
    x = 12,768.11

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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.