Home / 19,868.68-27,424.50-12,317.32

Finding the Fourth Proportional to 19,868.68, 27,424.50 and 12,317.32

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Solution

The fourth proportional to 19,868.68, 27,424.50 and 12,317.32 is: 17,001.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,868.68 : 27,424.50 = 12,317.32 : x
  2. Step 2: Convert to fraction form
    19,868.68/27,424.50 = 12,317.32/x
  3. Step 3: Cross multiply
    19,868.68x = 27,424.50 × 12,317.32
  4. Step 4: Simplify right side
    19,868.68x = 337,796,342.34
  5. Step 5: Solve for x
    x = 337,796,342.34/19,868.68
  6. Step 6: Final answer
    x = 17,001.45

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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.