Home / 12,833.80-19,250.70-8,897.20

Finding the Fourth Proportional to 12,833.80, 19,250.70 and 8,897.20

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Solution

The fourth proportional to 12,833.80, 19,250.70 and 8,897.20 is: 13,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,833.80 : 19,250.70 = 8,897.20 : x
  2. Step 2: Convert to fraction form
    12,833.80/19,250.70 = 8,897.20/x
  3. Step 3: Cross multiply
    12,833.80x = 19,250.70 × 8,897.20
  4. Step 4: Simplify right side
    12,833.80x = 171,277,328.04
  5. Step 5: Solve for x
    x = 171,277,328.04/12,833.80
  6. Step 6: Final answer
    x = 13,345.80

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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.