Home / 18,336.16-25,302.36-10,782.76

Finding the Fourth Proportional to 18,336.16, 25,302.36 and 10,782.76

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Solution

The fourth proportional to 18,336.16, 25,302.36 and 10,782.76 is: 14,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.16 : 25,302.36 = 10,782.76 : x
  2. Step 2: Convert to fraction form
    18,336.16/25,302.36 = 10,782.76/x
  3. Step 3: Cross multiply
    18,336.16x = 25,302.36 × 10,782.76
  4. Step 4: Simplify right side
    18,336.16x = 272,829,275.31
  5. Step 5: Solve for x
    x = 272,829,275.31/18,336.16
  6. Step 6: Final answer
    x = 14,879.30

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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.