Home / 13,386.26-18,473.00-7,417.94

Finding the Fourth Proportional to 13,386.26, 18,473.00 and 7,417.94

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Solution

The fourth proportional to 13,386.26, 18,473.00 and 7,417.94 is: 10,236.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,386.26 : 18,473.00 = 7,417.94 : x
  2. Step 2: Convert to fraction form
    13,386.26/18,473.00 = 7,417.94/x
  3. Step 3: Cross multiply
    13,386.26x = 18,473.00 × 7,417.94
  4. Step 4: Simplify right side
    13,386.26x = 137,031,476.17
  5. Step 5: Solve for x
    x = 137,031,476.17/13,386.26
  6. Step 6: Final answer
    x = 10,236.72

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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.