Home / 9,721.91-13,417.54-5,473.81

Finding the Fourth Proportional to 9,721.91, 13,417.54 and 5,473.81

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Solution

The fourth proportional to 9,721.91, 13,417.54 and 5,473.81 is: 7,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.91 : 13,417.54 = 5,473.81 : x
  2. Step 2: Convert to fraction form
    9,721.91/13,417.54 = 5,473.81/x
  3. Step 3: Cross multiply
    9,721.91x = 13,417.54 × 5,473.81
  4. Step 4: Simplify right side
    9,721.91x = 73,445,083.11
  5. Step 5: Solve for x
    x = 73,445,083.11/9,721.91
  6. Step 6: Final answer
    x = 7,554.60

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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.