Home / 15,232.56-21,022.80-9,266.28

Finding the Fourth Proportional to 15,232.56, 21,022.80 and 9,266.28

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Solution

The fourth proportional to 15,232.56, 21,022.80 and 9,266.28 is: 12,788.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,232.56 : 21,022.80 = 9,266.28 : x
  2. Step 2: Convert to fraction form
    15,232.56/21,022.80 = 9,266.28/x
  3. Step 3: Cross multiply
    15,232.56x = 21,022.80 × 9,266.28
  4. Step 4: Simplify right side
    15,232.56x = 194,803,151.18
  5. Step 5: Solve for x
    x = 194,803,151.18/15,232.56
  6. Step 6: Final answer
    x = 12,788.60

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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.