Home / 15,442.16-21,302.33-9,767.34

Finding the Fourth Proportional to 15,442.16, 21,302.33 and 9,767.34

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Solution

The fourth proportional to 15,442.16, 21,302.33 and 9,767.34 is: 13,473.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442.16 : 21,302.33 = 9,767.34 : x
  2. Step 2: Convert to fraction form
    15,442.16/21,302.33 = 9,767.34/x
  3. Step 3: Cross multiply
    15,442.16x = 21,302.33 × 9,767.34
  4. Step 4: Simplify right side
    15,442.16x = 208,067,051.07
  5. Step 5: Solve for x
    x = 208,067,051.07/15,442.16
  6. Step 6: Final answer
    x = 13,473.96

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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.