Home / 15,537.16-21,424.74-11,551.72

Finding the Fourth Proportional to 15,537.16, 21,424.74 and 11,551.72

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Solution

The fourth proportional to 15,537.16, 21,424.74 and 11,551.72 is: 15,929.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.16 : 21,424.74 = 11,551.72 : x
  2. Step 2: Convert to fraction form
    15,537.16/21,424.74 = 11,551.72/x
  3. Step 3: Cross multiply
    15,537.16x = 21,424.74 × 11,551.72
  4. Step 4: Simplify right side
    15,537.16x = 247,492,597.55
  5. Step 5: Solve for x
    x = 247,492,597.55/15,537.16
  6. Step 6: Final answer
    x = 15,929.08

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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.