Home / 9,742.90-13,445.30-5,266.74

Finding the Fourth Proportional to 9,742.90, 13,445.30 and 5,266.74

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Solution

The fourth proportional to 9,742.90, 13,445.30 and 5,266.74 is: 7,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742.90 : 13,445.30 = 5,266.74 : x
  2. Step 2: Convert to fraction form
    9,742.90/13,445.30 = 5,266.74/x
  3. Step 3: Cross multiply
    9,742.90x = 13,445.30 × 5,266.74
  4. Step 4: Simplify right side
    9,742.90x = 70,812,899.32
  5. Step 5: Solve for x
    x = 70,812,899.32/9,742.90
  6. Step 6: Final answer
    x = 7,268.15

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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.