Home / 13,599.77-18,767.23-7,631.53

Finding the Fourth Proportional to 13,599.77, 18,767.23 and 7,631.53

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Solution

The fourth proportional to 13,599.77, 18,767.23 and 7,631.53 is: 10,531.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.77 : 18,767.23 = 7,631.53 : x
  2. Step 2: Convert to fraction form
    13,599.77/18,767.23 = 7,631.53/x
  3. Step 3: Cross multiply
    13,599.77x = 18,767.23 × 7,631.53
  4. Step 4: Simplify right side
    13,599.77x = 143,222,612.77
  5. Step 5: Solve for x
    x = 143,222,612.77/13,599.77
  6. Step 6: Final answer
    x = 10,531.26

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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.