Home / 14,703.16-20,290.11-7,988.89

Finding the Fourth Proportional to 14,703.16, 20,290.11 and 7,988.89

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Solution

The fourth proportional to 14,703.16, 20,290.11 and 7,988.89 is: 11,024.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,703.16 : 20,290.11 = 7,988.89 : x
  2. Step 2: Convert to fraction form
    14,703.16/20,290.11 = 7,988.89/x
  3. Step 3: Cross multiply
    14,703.16x = 20,290.11 × 7,988.89
  4. Step 4: Simplify right side
    14,703.16x = 162,095,456.88
  5. Step 5: Solve for x
    x = 162,095,456.88/14,703.16
  6. Step 6: Final answer
    x = 11,024.53

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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.