Home / 10,290.63-14,201.15-5,574.95

Finding the Fourth Proportional to 10,290.63, 14,201.15 and 5,574.95

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Solution

The fourth proportional to 10,290.63, 14,201.15 and 5,574.95 is: 7,693.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.63 : 14,201.15 = 5,574.95 : x
  2. Step 2: Convert to fraction form
    10,290.63/14,201.15 = 5,574.95/x
  3. Step 3: Cross multiply
    10,290.63x = 14,201.15 × 5,574.95
  4. Step 4: Simplify right side
    10,290.63x = 79,170,602.31
  5. Step 5: Solve for x
    x = 79,170,602.31/10,290.63
  6. Step 6: Final answer
    x = 7,693.47

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Half scale
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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.