Home / 14,275.63-19,702.38-8,309.22

Finding the Fourth Proportional to 14,275.63, 19,702.38 and 8,309.22

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Solution

The fourth proportional to 14,275.63, 19,702.38 and 8,309.22 is: 11,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.63 : 19,702.38 = 8,309.22 : x
  2. Step 2: Convert to fraction form
    14,275.63/19,702.38 = 8,309.22/x
  3. Step 3: Cross multiply
    14,275.63x = 19,702.38 × 8,309.22
  4. Step 4: Simplify right side
    14,275.63x = 163,711,444.50
  5. Step 5: Solve for x
    x = 163,711,444.50/14,275.63
  6. Step 6: Final answer
    x = 11,467.90

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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.