Home / 10,352.78-14,286.87-5,637.06

Finding the Fourth Proportional to 10,352.78, 14,286.87 and 5,637.06

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Solution

The fourth proportional to 10,352.78, 14,286.87 and 5,637.06 is: 7,779.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.78 : 14,286.87 = 5,637.06 : x
  2. Step 2: Convert to fraction form
    10,352.78/14,286.87 = 5,637.06/x
  3. Step 3: Cross multiply
    10,352.78x = 14,286.87 × 5,637.06
  4. Step 4: Simplify right side
    10,352.78x = 80,535,943.40
  5. Step 5: Solve for x
    x = 80,535,943.40/10,352.78
  6. Step 6: Final answer
    x = 7,779.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.