Home / 35,451.17-53,172.63-9,153.84

Finding the Fourth Proportional to 35,451.17, 53,172.63 and 9,153.84

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Solution

The fourth proportional to 35,451.17, 53,172.63 and 9,153.84 is: 13,729.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,451.17 : 53,172.63 = 9,153.84 : x
  2. Step 2: Convert to fraction form
    35,451.17/53,172.63 = 9,153.84/x
  3. Step 3: Cross multiply
    35,451.17x = 53,172.63 × 9,153.84
  4. Step 4: Simplify right side
    35,451.17x = 486,733,747.40
  5. Step 5: Solve for x
    x = 486,733,747.40/35,451.17
  6. Step 6: Final answer
    x = 13,729.69

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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.