Home / 18,276.77-25,221.95-10,319.00

Finding the Fourth Proportional to 18,276.77, 25,221.95 and 10,319.00

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Solution

The fourth proportional to 18,276.77, 25,221.95 and 10,319.00 is: 14,240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.77 : 25,221.95 = 10,319.00 : x
  2. Step 2: Convert to fraction form
    18,276.77/25,221.95 = 10,319.00/x
  3. Step 3: Cross multiply
    18,276.77x = 25,221.95 × 10,319.00
  4. Step 4: Simplify right side
    18,276.77x = 260,265,163.04
  5. Step 5: Solve for x
    x = 260,265,163.04/18,276.77
  6. Step 6: Final answer
    x = 14,240.21

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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.