Home / 30,184.13-45,278.69-9,407.63

Finding the Fourth Proportional to 30,184.13, 45,278.69 and 9,407.63

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Solution

The fourth proportional to 30,184.13, 45,278.69 and 9,407.63 is: 14,112.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,184.13 : 45,278.69 = 9,407.63 : x
  2. Step 2: Convert to fraction form
    30,184.13/45,278.69 = 9,407.63/x
  3. Step 3: Cross multiply
    30,184.13x = 45,278.69 × 9,407.63
  4. Step 4: Simplify right side
    30,184.13x = 425,964,888.97
  5. Step 5: Solve for x
    x = 425,964,888.97/30,184.13
  6. Step 6: Final answer
    x = 14,112.22

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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.