Home / 19,111.74-28,678.68-8,017.53

Finding the Fourth Proportional to 19,111.74, 28,678.68 and 8,017.53

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Solution

The fourth proportional to 19,111.74, 28,678.68 and 8,017.53 is: 12,030.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,111.74 : 28,678.68 = 8,017.53 : x
  2. Step 2: Convert to fraction form
    19,111.74/28,678.68 = 8,017.53/x
  3. Step 3: Cross multiply
    19,111.74x = 28,678.68 × 8,017.53
  4. Step 4: Simplify right side
    19,111.74x = 229,932,177.26
  5. Step 5: Solve for x
    x = 229,932,177.26/19,111.74
  6. Step 6: Final answer
    x = 12,030.94

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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.