Home / 15,537.57-21,449.79-10,528.26

Finding the Fourth Proportional to 15,537.57, 21,449.79 and 10,528.26

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Solution

The fourth proportional to 15,537.57, 21,449.79 and 10,528.26 is: 14,534.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.57 : 21,449.79 = 10,528.26 : x
  2. Step 2: Convert to fraction form
    15,537.57/21,449.79 = 10,528.26/x
  3. Step 3: Cross multiply
    15,537.57x = 21,449.79 × 10,528.26
  4. Step 4: Simplify right side
    15,537.57x = 225,828,966.07
  5. Step 5: Solve for x
    x = 225,828,966.07/15,537.57
  6. Step 6: Final answer
    x = 14,534.38

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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.