Home / 19,317.26-26,655.60-10,818.20

Finding the Fourth Proportional to 19,317.26, 26,655.60 and 10,818.20

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Solution

The fourth proportional to 19,317.26, 26,655.60 and 10,818.20 is: 14,927.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.26 : 26,655.60 = 10,818.20 : x
  2. Step 2: Convert to fraction form
    19,317.26/26,655.60 = 10,818.20/x
  3. Step 3: Cross multiply
    19,317.26x = 26,655.60 × 10,818.20
  4. Step 4: Simplify right side
    19,317.26x = 288,365,611.92
  5. Step 5: Solve for x
    x = 288,365,611.92/19,317.26
  6. Step 6: Final answer
    x = 14,927.87

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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.