Home / 10,437.81-15,656.73-2,646.60

Finding the Fourth Proportional to 10,437.81, 15,656.73 and 2,646.60

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Solution

The fourth proportional to 10,437.81, 15,656.73 and 2,646.60 is: 3,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.81 : 15,656.73 = 2,646.60 : x
  2. Step 2: Convert to fraction form
    10,437.81/15,656.73 = 2,646.60/x
  3. Step 3: Cross multiply
    10,437.81x = 15,656.73 × 2,646.60
  4. Step 4: Simplify right side
    10,437.81x = 41,437,101.62
  5. Step 5: Solve for x
    x = 41,437,101.62/10,437.81
  6. Step 6: Final answer
    x = 3,969.90

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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.