Home / 15,475.41-21,356.10-9,507.06

Finding the Fourth Proportional to 15,475.41, 21,356.10 and 9,507.06

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Solution

The fourth proportional to 15,475.41, 21,356.10 and 9,507.06 is: 13,119.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,475.41 : 21,356.10 = 9,507.06 : x
  2. Step 2: Convert to fraction form
    15,475.41/21,356.10 = 9,507.06/x
  3. Step 3: Cross multiply
    15,475.41x = 21,356.10 × 9,507.06
  4. Step 4: Simplify right side
    15,475.41x = 203,033,724.07
  5. Step 5: Solve for x
    x = 203,033,724.07/15,475.41
  6. Step 6: Final answer
    x = 13,119.76

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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.