Home / 19,180.08-26,461.74-11,219.40

Finding the Fourth Proportional to 19,180.08, 26,461.74 and 11,219.40

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Solution

The fourth proportional to 19,180.08, 26,461.74 and 11,219.40 is: 15,478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,180.08 : 26,461.74 = 11,219.40 : x
  2. Step 2: Convert to fraction form
    19,180.08/26,461.74 = 11,219.40/x
  3. Step 3: Cross multiply
    19,180.08x = 26,461.74 × 11,219.40
  4. Step 4: Simplify right side
    19,180.08x = 296,884,845.76
  5. Step 5: Solve for x
    x = 296,884,845.76/19,180.08
  6. Step 6: Final answer
    x = 15,478.81

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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.