Home / 18,870.63-26,041.18-10,372.57

Finding the Fourth Proportional to 18,870.63, 26,041.18 and 10,372.57

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Solution

The fourth proportional to 18,870.63, 26,041.18 and 10,372.57 is: 14,313.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,870.63 : 26,041.18 = 10,372.57 : x
  2. Step 2: Convert to fraction form
    18,870.63/26,041.18 = 10,372.57/x
  3. Step 3: Cross multiply
    18,870.63x = 26,041.18 × 10,372.57
  4. Step 4: Simplify right side
    18,870.63x = 270,113,948.79
  5. Step 5: Solve for x
    x = 270,113,948.79/18,870.63
  6. Step 6: Final answer
    x = 14,313.99

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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.