Home / 18,826.79-25,980.95-10,328.96

Finding the Fourth Proportional to 18,826.79, 25,980.95 and 10,328.96

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Solution

The fourth proportional to 18,826.79, 25,980.95 and 10,328.96 is: 14,253.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.79 : 25,980.95 = 10,328.96 : x
  2. Step 2: Convert to fraction form
    18,826.79/25,980.95 = 10,328.96/x
  3. Step 3: Cross multiply
    18,826.79x = 25,980.95 × 10,328.96
  4. Step 4: Simplify right side
    18,826.79x = 268,356,265.82
  5. Step 5: Solve for x
    x = 268,356,265.82/18,826.79
  6. Step 6: Final answer
    x = 14,253.96

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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.