Home / 10,357.78-14,194.13-9,361.30

Finding the Fourth Proportional to 10,357.78, 14,194.13 and 9,361.30

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Solution

The fourth proportional to 10,357.78, 14,194.13 and 9,361.30 is: 12,828.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,357.78 : 14,194.13 = 9,361.30 : x
  2. Step 2: Convert to fraction form
    10,357.78/14,194.13 = 9,361.30/x
  3. Step 3: Cross multiply
    10,357.78x = 14,194.13 × 9,361.30
  4. Step 4: Simplify right side
    10,357.78x = 132,875,509.17
  5. Step 5: Solve for x
    x = 132,875,509.17/10,357.78
  6. Step 6: Final answer
    x = 12,828.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.