Home / 13,619.27-18,795.95-9,152.32

Finding the Fourth Proportional to 13,619.27, 18,795.95 and 9,152.32

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Solution

The fourth proportional to 13,619.27, 18,795.95 and 9,152.32 is: 12,631.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619.27 : 18,795.95 = 9,152.32 : x
  2. Step 2: Convert to fraction form
    13,619.27/18,795.95 = 9,152.32/x
  3. Step 3: Cross multiply
    13,619.27x = 18,795.95 × 9,152.32
  4. Step 4: Simplify right side
    13,619.27x = 172,026,549.10
  5. Step 5: Solve for x
    x = 172,026,549.10/13,619.27
  6. Step 6: Final answer
    x = 12,631.11

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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.