Home / 16,572.07-22,869.45-9,120.07

Finding the Fourth Proportional to 16,572.07, 22,869.45 and 9,120.07

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Solution

The fourth proportional to 16,572.07, 22,869.45 and 9,120.07 is: 12,585.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,572.07 : 22,869.45 = 9,120.07 : x
  2. Step 2: Convert to fraction form
    16,572.07/22,869.45 = 9,120.07/x
  3. Step 3: Cross multiply
    16,572.07x = 22,869.45 × 9,120.07
  4. Step 4: Simplify right side
    16,572.07x = 208,570,870.51
  5. Step 5: Solve for x
    x = 208,570,870.51/16,572.07
  6. Step 6: Final answer
    x = 12,585.69

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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.