Home / 13,085.40-19,627.02-4,317.96

Finding the Fourth Proportional to 13,085.40, 19,627.02 and 4,317.96

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Solution

The fourth proportional to 13,085.40, 19,627.02 and 4,317.96 is: 6,476.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085.40 : 19,627.02 = 4,317.96 : x
  2. Step 2: Convert to fraction form
    13,085.40/19,627.02 = 4,317.96/x
  3. Step 3: Cross multiply
    13,085.40x = 19,627.02 × 4,317.96
  4. Step 4: Simplify right side
    13,085.40x = 84,748,687.28
  5. Step 5: Solve for x
    x = 84,748,687.28/13,085.40
  6. Step 6: Final answer
    x = 6,476.58

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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.