Home / 10,048.32-13,866.80-5,572.19

Finding the Fourth Proportional to 10,048.32, 13,866.80 and 5,572.19

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Solution

The fourth proportional to 10,048.32, 13,866.80 and 5,572.19 is: 7,689.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,048.32 : 13,866.80 = 5,572.19 : x
  2. Step 2: Convert to fraction form
    10,048.32/13,866.80 = 5,572.19/x
  3. Step 3: Cross multiply
    10,048.32x = 13,866.80 × 5,572.19
  4. Step 4: Simplify right side
    10,048.32x = 77,268,451.10
  5. Step 5: Solve for x
    x = 77,268,451.10/10,048.32
  6. Step 6: Final answer
    x = 7,689.69

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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.