Home / 14,250.10-21,392.70-8,985.10

Finding the Fourth Proportional to 14,250.10, 21,392.70 and 8,985.10

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Solution

The fourth proportional to 14,250.10, 21,392.70 and 8,985.10 is: 13,488.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.10 : 21,392.70 = 8,985.10 : x
  2. Step 2: Convert to fraction form
    14,250.10/21,392.70 = 8,985.10/x
  3. Step 3: Cross multiply
    14,250.10x = 21,392.70 × 8,985.10
  4. Step 4: Simplify right side
    14,250.10x = 192,215,548.77
  5. Step 5: Solve for x
    x = 192,215,548.77/14,250.10
  6. Step 6: Final answer
    x = 13,488.72

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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.