Home / 18,989.76-26,206.28-10,606.24

Finding the Fourth Proportional to 18,989.76, 26,206.28 and 10,606.24

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Solution

The fourth proportional to 18,989.76, 26,206.28 and 10,606.24 is: 14,636.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,989.76 : 26,206.28 = 10,606.24 : x
  2. Step 2: Convert to fraction form
    18,989.76/26,206.28 = 10,606.24/x
  3. Step 3: Cross multiply
    18,989.76x = 26,206.28 × 10,606.24
  4. Step 4: Simplify right side
    18,989.76x = 277,950,095.19
  5. Step 5: Solve for x
    x = 277,950,095.19/18,989.76
  6. Step 6: Final answer
    x = 14,636.84

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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.