Home / 19,484.16-26,888.31-11,101.20

Finding the Fourth Proportional to 19,484.16, 26,888.31 and 11,101.20

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Solution

The fourth proportional to 19,484.16, 26,888.31 and 11,101.20 is: 15,319.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,484.16 : 26,888.31 = 11,101.20 : x
  2. Step 2: Convert to fraction form
    19,484.16/26,888.31 = 11,101.20/x
  3. Step 3: Cross multiply
    19,484.16x = 26,888.31 × 11,101.20
  4. Step 4: Simplify right side
    19,484.16x = 298,492,506.97
  5. Step 5: Solve for x
    x = 298,492,506.97/19,484.16
  6. Step 6: Final answer
    x = 15,319.75

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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.