Home / 14,446.48-21,656.76-5,210.32

Finding the Fourth Proportional to 14,446.48, 21,656.76 and 5,210.32

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Solution

The fourth proportional to 14,446.48, 21,656.76 and 5,210.32 is: 7,810.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,446.48 : 21,656.76 = 5,210.32 : x
  2. Step 2: Convert to fraction form
    14,446.48/21,656.76 = 5,210.32/x
  3. Step 3: Cross multiply
    14,446.48x = 21,656.76 × 5,210.32
  4. Step 4: Simplify right side
    14,446.48x = 112,838,649.76
  5. Step 5: Solve for x
    x = 112,838,649.76/14,446.48
  6. Step 6: Final answer
    x = 7,810.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.