Home / 15,461.73-21,337.11-8,746.68

Finding the Fourth Proportional to 15,461.73, 21,337.11 and 8,746.68

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Solution

The fourth proportional to 15,461.73, 21,337.11 and 8,746.68 is: 12,070.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,461.73 : 21,337.11 = 8,746.68 : x
  2. Step 2: Convert to fraction form
    15,461.73/21,337.11 = 8,746.68/x
  3. Step 3: Cross multiply
    15,461.73x = 21,337.11 × 8,746.68
  4. Step 4: Simplify right side
    15,461.73x = 186,628,873.29
  5. Step 5: Solve for x
    x = 186,628,873.29/15,461.73
  6. Step 6: Final answer
    x = 12,070.37

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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.