Home / 19,330.75-28,987.93-6,853.91

Finding the Fourth Proportional to 19,330.75, 28,987.93 and 6,853.91

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Solution

The fourth proportional to 19,330.75, 28,987.93 and 6,853.91 is: 10,277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330.75 : 28,987.93 = 6,853.91 : x
  2. Step 2: Convert to fraction form
    19,330.75/28,987.93 = 6,853.91/x
  3. Step 3: Cross multiply
    19,330.75x = 28,987.93 × 6,853.91
  4. Step 4: Simplify right side
    19,330.75x = 198,680,718.64
  5. Step 5: Solve for x
    x = 198,680,718.64/19,330.75
  6. Step 6: Final answer
    x = 10,277.96

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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.