Home / 10,437.39-15,656.13-2,646.20

Finding the Fourth Proportional to 10,437.39, 15,656.13 and 2,646.20

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Solution

The fourth proportional to 10,437.39, 15,656.13 and 2,646.20 is: 3,969.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.39 : 15,656.13 = 2,646.20 : x
  2. Step 2: Convert to fraction form
    10,437.39/15,656.13 = 2,646.20/x
  3. Step 3: Cross multiply
    10,437.39x = 15,656.13 × 2,646.20
  4. Step 4: Simplify right side
    10,437.39x = 41,429,290.35
  5. Step 5: Solve for x
    x = 41,429,290.35/10,437.39
  6. Step 6: Final answer
    x = 3,969.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.