Home / 15,268.80-21,110.24-10,588.16

Finding the Fourth Proportional to 15,268.80, 21,110.24 and 10,588.16

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Solution

The fourth proportional to 15,268.80, 21,110.24 and 10,588.16 is: 14,638.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268.80 : 21,110.24 = 10,588.16 : x
  2. Step 2: Convert to fraction form
    15,268.80/21,110.24 = 10,588.16/x
  3. Step 3: Cross multiply
    15,268.80x = 21,110.24 × 10,588.16
  4. Step 4: Simplify right side
    15,268.80x = 223,518,598.76
  5. Step 5: Solve for x
    x = 223,518,598.76/15,268.80
  6. Step 6: Final answer
    x = 14,638.91

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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.