Home / 14,018.10-21,008.70-10,302.90

Finding the Fourth Proportional to 14,018.10, 21,008.70 and 10,302.90

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Solution

The fourth proportional to 14,018.10, 21,008.70 and 10,302.90 is: 15,440.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018.10 : 21,008.70 = 10,302.90 : x
  2. Step 2: Convert to fraction form
    14,018.10/21,008.70 = 10,302.90/x
  3. Step 3: Cross multiply
    14,018.10x = 21,008.70 × 10,302.90
  4. Step 4: Simplify right side
    14,018.10x = 216,450,535.23
  5. Step 5: Solve for x
    x = 216,450,535.23/14,018.10
  6. Step 6: Final answer
    x = 15,440.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.