Home / 15,117.64-22,638.75-9,554.20

Finding the Fourth Proportional to 15,117.64, 22,638.75 and 9,554.20

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Solution

The fourth proportional to 15,117.64, 22,638.75 and 9,554.20 is: 14,307.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,117.64 : 22,638.75 = 9,554.20 : x
  2. Step 2: Convert to fraction form
    15,117.64/22,638.75 = 9,554.20/x
  3. Step 3: Cross multiply
    15,117.64x = 22,638.75 × 9,554.20
  4. Step 4: Simplify right side
    15,117.64x = 216,295,145.25
  5. Step 5: Solve for x
    x = 216,295,145.25/15,117.64
  6. Step 6: Final answer
    x = 14,307.47

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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.