Home / 18,868.50-26,038.51-10,371.18

Finding the Fourth Proportional to 18,868.50, 26,038.51 and 10,371.18

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Solution

The fourth proportional to 18,868.50, 26,038.51 and 10,371.18 is: 14,312.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,868.50 : 26,038.51 = 10,371.18 : x
  2. Step 2: Convert to fraction form
    18,868.50/26,038.51 = 10,371.18/x
  3. Step 3: Cross multiply
    18,868.50x = 26,038.51 × 10,371.18
  4. Step 4: Simplify right side
    18,868.50x = 270,050,074.14
  5. Step 5: Solve for x
    x = 270,050,074.14/18,868.50
  6. Step 6: Final answer
    x = 14,312.22

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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.