Home / 15,748.40-21,725.93-9,457.13

Finding the Fourth Proportional to 15,748.40, 21,725.93 and 9,457.13

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Solution

The fourth proportional to 15,748.40, 21,725.93 and 9,457.13 is: 13,046.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,748.40 : 21,725.93 = 9,457.13 : x
  2. Step 2: Convert to fraction form
    15,748.40/21,725.93 = 9,457.13/x
  3. Step 3: Cross multiply
    15,748.40x = 21,725.93 × 9,457.13
  4. Step 4: Simplify right side
    15,748.40x = 205,464,788.47
  5. Step 5: Solve for x
    x = 205,464,788.47/15,748.40
  6. Step 6: Final answer
    x = 13,046.71

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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.