Home / 19,461.30-26,856.88-11,393.10

Finding the Fourth Proportional to 19,461.30, 26,856.88 and 11,393.10

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Solution

The fourth proportional to 19,461.30, 26,856.88 and 11,393.10 is: 15,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,461.30 : 26,856.88 = 11,393.10 : x
  2. Step 2: Convert to fraction form
    19,461.30/26,856.88 = 11,393.10/x
  3. Step 3: Cross multiply
    19,461.30x = 26,856.88 × 11,393.10
  4. Step 4: Simplify right side
    19,461.30x = 305,983,119.53
  5. Step 5: Solve for x
    x = 305,983,119.53/19,461.30
  6. Step 6: Final answer
    x = 15,722.65

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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.