Home / 18,298.82-25,252.47-9,915.32

Finding the Fourth Proportional to 18,298.82, 25,252.47 and 9,915.32

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Solution

The fourth proportional to 18,298.82, 25,252.47 and 9,915.32 is: 13,683.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.82 : 25,252.47 = 9,915.32 : x
  2. Step 2: Convert to fraction form
    18,298.82/25,252.47 = 9,915.32/x
  3. Step 3: Cross multiply
    18,298.82x = 25,252.47 × 9,915.32
  4. Step 4: Simplify right side
    18,298.82x = 250,386,271.26
  5. Step 5: Solve for x
    x = 250,386,271.26/18,298.82
  6. Step 6: Final answer
    x = 13,683.19

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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.