Home / 30,197.16-45,287.10-9,415.08

Finding the Fourth Proportional to 30,197.16, 45,287.10 and 9,415.08

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Solution

The fourth proportional to 30,197.16, 45,287.10 and 9,415.08 is: 14,119.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,197.16 : 45,287.10 = 9,415.08 : x
  2. Step 2: Convert to fraction form
    30,197.16/45,287.10 = 9,415.08/x
  3. Step 3: Cross multiply
    30,197.16x = 45,287.10 × 9,415.08
  4. Step 4: Simplify right side
    30,197.16x = 426,381,669.47
  5. Step 5: Solve for x
    x = 426,381,669.47/30,197.16
  6. Step 6: Final answer
    x = 14,119.93

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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.