Home / 19,070.07-28,572.81-11,550.91

Finding the Fourth Proportional to 19,070.07, 28,572.81 and 11,550.91

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Solution

The fourth proportional to 19,070.07, 28,572.81 and 11,550.91 is: 17,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,070.07 : 28,572.81 = 11,550.91 : x
  2. Step 2: Convert to fraction form
    19,070.07/28,572.81 = 11,550.91/x
  3. Step 3: Cross multiply
    19,070.07x = 28,572.81 × 11,550.91
  4. Step 4: Simplify right side
    19,070.07x = 330,041,956.76
  5. Step 5: Solve for x
    x = 330,041,956.76/19,070.07
  6. Step 6: Final answer
    x = 17,306.80

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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.