Home / 14,702.24-20,281.30-9,315.16

Finding the Fourth Proportional to 14,702.24, 20,281.30 and 9,315.16

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Solution

The fourth proportional to 14,702.24, 20,281.30 and 9,315.16 is: 12,849.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,702.24 : 20,281.30 = 9,315.16 : x
  2. Step 2: Convert to fraction form
    14,702.24/20,281.30 = 9,315.16/x
  3. Step 3: Cross multiply
    14,702.24x = 20,281.30 × 9,315.16
  4. Step 4: Simplify right side
    14,702.24x = 188,923,554.51
  5. Step 5: Solve for x
    x = 188,923,554.51/14,702.24
  6. Step 6: Final answer
    x = 12,849.98

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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.