Home / 14,890.36-20,551.80-8,603.16

Finding the Fourth Proportional to 14,890.36, 20,551.80 and 8,603.16

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Solution

The fourth proportional to 14,890.36, 20,551.80 and 8,603.16 is: 11,874.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.36 : 20,551.80 = 8,603.16 : x
  2. Step 2: Convert to fraction form
    14,890.36/20,551.80 = 8,603.16/x
  3. Step 3: Cross multiply
    14,890.36x = 20,551.80 × 8,603.16
  4. Step 4: Simplify right side
    14,890.36x = 176,810,423.69
  5. Step 5: Solve for x
    x = 176,810,423.69/14,890.36
  6. Step 6: Final answer
    x = 11,874.15

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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.