Home / 19,053.40-28,580.10-5,909.80

Finding the Fourth Proportional to 19,053.40, 28,580.10 and 5,909.80

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Solution

The fourth proportional to 19,053.40, 28,580.10 and 5,909.80 is: 8,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,053.40 : 28,580.10 = 5,909.80 : x
  2. Step 2: Convert to fraction form
    19,053.40/28,580.10 = 5,909.80/x
  3. Step 3: Cross multiply
    19,053.40x = 28,580.10 × 5,909.80
  4. Step 4: Simplify right side
    19,053.40x = 168,902,674.98
  5. Step 5: Solve for x
    x = 168,902,674.98/19,053.40
  6. Step 6: Final answer
    x = 8,864.70

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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.