Home / 9,130.28-13,659.39-6,915.51

Finding the Fourth Proportional to 9,130.28, 13,659.39 and 6,915.51

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Solution

The fourth proportional to 9,130.28, 13,659.39 and 6,915.51 is: 10,345.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.28 : 13,659.39 = 6,915.51 : x
  2. Step 2: Convert to fraction form
    9,130.28/13,659.39 = 6,915.51/x
  3. Step 3: Cross multiply
    9,130.28x = 13,659.39 × 6,915.51
  4. Step 4: Simplify right side
    9,130.28x = 94,461,648.14
  5. Step 5: Solve for x
    x = 94,461,648.14/9,130.28
  6. Step 6: Final answer
    x = 10,345.97

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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.