Home / 14,730.26-20,328.10-8,357.28

Finding the Fourth Proportional to 14,730.26, 20,328.10 and 8,357.28

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Solution

The fourth proportional to 14,730.26, 20,328.10 and 8,357.28 is: 11,533.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,730.26 : 20,328.10 = 8,357.28 : x
  2. Step 2: Convert to fraction form
    14,730.26/20,328.10 = 8,357.28/x
  3. Step 3: Cross multiply
    14,730.26x = 20,328.10 × 8,357.28
  4. Step 4: Simplify right side
    14,730.26x = 169,887,623.57
  5. Step 5: Solve for x
    x = 169,887,623.57/14,730.26
  6. Step 6: Final answer
    x = 11,533.24

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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.