Home / 18,990.29-26,206.05-10,492.24

Finding the Fourth Proportional to 18,990.29, 26,206.05 and 10,492.24

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Solution

The fourth proportional to 18,990.29, 26,206.05 and 10,492.24 is: 14,478.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,990.29 : 26,206.05 = 10,492.24 : x
  2. Step 2: Convert to fraction form
    18,990.29/26,206.05 = 10,492.24/x
  3. Step 3: Cross multiply
    18,990.29x = 26,206.05 × 10,492.24
  4. Step 4: Simplify right side
    18,990.29x = 274,960,113.59
  5. Step 5: Solve for x
    x = 274,960,113.59/18,990.29
  6. Step 6: Final answer
    x = 14,478.99

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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.