Home / 15,656.85-21,609.86-10,352.16

Finding the Fourth Proportional to 15,656.85, 21,609.86 and 10,352.16

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Solution

The fourth proportional to 15,656.85, 21,609.86 and 10,352.16 is: 14,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,656.85 : 21,609.86 = 10,352.16 : x
  2. Step 2: Convert to fraction form
    15,656.85/21,609.86 = 10,352.16/x
  3. Step 3: Cross multiply
    15,656.85x = 21,609.86 × 10,352.16
  4. Step 4: Simplify right side
    15,656.85x = 223,708,676.54
  5. Step 5: Solve for x
    x = 223,708,676.54/15,656.85
  6. Step 6: Final answer
    x = 14,288.23

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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.