Home / 19,337.68-26,681.02-11,378.42

Finding the Fourth Proportional to 19,337.68, 26,681.02 and 11,378.42

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Solution

The fourth proportional to 19,337.68, 26,681.02 and 11,378.42 is: 15,699.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,337.68 : 26,681.02 = 11,378.42 : x
  2. Step 2: Convert to fraction form
    19,337.68/26,681.02 = 11,378.42/x
  3. Step 3: Cross multiply
    19,337.68x = 26,681.02 × 11,378.42
  4. Step 4: Simplify right side
    19,337.68x = 303,587,689.74
  5. Step 5: Solve for x
    x = 303,587,689.74/19,337.68
  6. Step 6: Final answer
    x = 15,699.28

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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.