Home / 15,259.32-21,050.82-9,952.20

Finding the Fourth Proportional to 15,259.32, 21,050.82 and 9,952.20

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Solution

The fourth proportional to 15,259.32, 21,050.82 and 9,952.20 is: 13,729.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,259.32 : 21,050.82 = 9,952.20 : x
  2. Step 2: Convert to fraction form
    15,259.32/21,050.82 = 9,952.20/x
  3. Step 3: Cross multiply
    15,259.32x = 21,050.82 × 9,952.20
  4. Step 4: Simplify right side
    15,259.32x = 209,501,970.80
  5. Step 5: Solve for x
    x = 209,501,970.80/15,259.32
  6. Step 6: Final answer
    x = 13,729.44

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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.