Home / 15,487.48-23,261.10-13,271.32

Finding the Fourth Proportional to 15,487.48, 23,261.10 and 13,271.32

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Solution

The fourth proportional to 15,487.48, 23,261.10 and 13,271.32 is: 19,932.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487.48 : 23,261.10 = 13,271.32 : x
  2. Step 2: Convert to fraction form
    15,487.48/23,261.10 = 13,271.32/x
  3. Step 3: Cross multiply
    15,487.48x = 23,261.10 × 13,271.32
  4. Step 4: Simplify right side
    15,487.48x = 308,705,501.65
  5. Step 5: Solve for x
    x = 308,705,501.65/15,487.48
  6. Step 6: Final answer
    x = 19,932.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.