Home / 23,048.07-31,807.75-13,488.14

Finding the Fourth Proportional to 23,048.07, 31,807.75 and 13,488.14

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Solution

The fourth proportional to 23,048.07, 31,807.75 and 13,488.14 is: 18,614.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,048.07 : 31,807.75 = 13,488.14 : x
  2. Step 2: Convert to fraction form
    23,048.07/31,807.75 = 13,488.14/x
  3. Step 3: Cross multiply
    23,048.07x = 31,807.75 × 13,488.14
  4. Step 4: Simplify right side
    23,048.07x = 429,027,385.09
  5. Step 5: Solve for x
    x = 429,027,385.09/23,048.07
  6. Step 6: Final answer
    x = 18,614.46

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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.