Home / 30,117.06-45,186.53-10,397.61

Finding the Fourth Proportional to 30,117.06, 45,186.53 and 10,397.61

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Solution

The fourth proportional to 30,117.06, 45,186.53 and 10,397.61 is: 15,600.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.06 : 45,186.53 = 10,397.61 : x
  2. Step 2: Convert to fraction form
    30,117.06/45,186.53 = 10,397.61/x
  3. Step 3: Cross multiply
    30,117.06x = 45,186.53 × 10,397.61
  4. Step 4: Simplify right side
    30,117.06x = 469,831,864.21
  5. Step 5: Solve for x
    x = 469,831,864.21/30,117.06
  6. Step 6: Final answer
    x = 15,600.19

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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.