Home / 14,279.23-19,702.99-8,970.27

Finding the Fourth Proportional to 14,279.23, 19,702.99 and 8,970.27

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Solution

The fourth proportional to 14,279.23, 19,702.99 and 8,970.27 is: 12,377.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.23 : 19,702.99 = 8,970.27 : x
  2. Step 2: Convert to fraction form
    14,279.23/19,702.99 = 8,970.27/x
  3. Step 3: Cross multiply
    14,279.23x = 19,702.99 × 8,970.27
  4. Step 4: Simplify right side
    14,279.23x = 176,741,140.11
  5. Step 5: Solve for x
    x = 176,741,140.11/14,279.23
  6. Step 6: Final answer
    x = 12,377.50

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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.