Home / 15,345.24-23,021.10-11,437.80

Finding the Fourth Proportional to 15,345.24, 23,021.10 and 11,437.80

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Solution

The fourth proportional to 15,345.24, 23,021.10 and 11,437.80 is: 17,159.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,345.24 : 23,021.10 = 11,437.80 : x
  2. Step 2: Convert to fraction form
    15,345.24/23,021.10 = 11,437.80/x
  3. Step 3: Cross multiply
    15,345.24x = 23,021.10 × 11,437.80
  4. Step 4: Simplify right side
    15,345.24x = 263,310,737.58
  5. Step 5: Solve for x
    x = 263,310,737.58/15,345.24
  6. Step 6: Final answer
    x = 17,159.11

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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.