Home / 9,113.36-13,646.37-7,805.53

Finding the Fourth Proportional to 9,113.36, 13,646.37 and 7,805.53

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Solution

The fourth proportional to 9,113.36, 13,646.37 and 7,805.53 is: 11,688.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.36 : 13,646.37 = 7,805.53 : x
  2. Step 2: Convert to fraction form
    9,113.36/13,646.37 = 7,805.53/x
  3. Step 3: Cross multiply
    9,113.36x = 13,646.37 × 7,805.53
  4. Step 4: Simplify right side
    9,113.36x = 106,517,043.17
  5. Step 5: Solve for x
    x = 106,517,043.17/9,113.36
  6. Step 6: Final answer
    x = 11,688.02

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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.