Home / 15,119.06-20,837.18-12,295.77

Finding the Fourth Proportional to 15,119.06, 20,837.18 and 12,295.77

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Solution

The fourth proportional to 15,119.06, 20,837.18 and 12,295.77 is: 16,946.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,119.06 : 20,837.18 = 12,295.77 : x
  2. Step 2: Convert to fraction form
    15,119.06/20,837.18 = 12,295.77/x
  3. Step 3: Cross multiply
    15,119.06x = 20,837.18 × 12,295.77
  4. Step 4: Simplify right side
    15,119.06x = 256,209,111.25
  5. Step 5: Solve for x
    x = 256,209,111.25/15,119.06
  6. Step 6: Final answer
    x = 16,946.11

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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.