Home / 15,464.79-21,338.10-8,748.27

Finding the Fourth Proportional to 15,464.79, 21,338.10 and 8,748.27

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Solution

The fourth proportional to 15,464.79, 21,338.10 and 8,748.27 is: 12,070.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,464.79 : 21,338.10 = 8,748.27 : x
  2. Step 2: Convert to fraction form
    15,464.79/21,338.10 = 8,748.27/x
  3. Step 3: Cross multiply
    15,464.79x = 21,338.10 × 8,748.27
  4. Step 4: Simplify right side
    15,464.79x = 186,671,460.09
  5. Step 5: Solve for x
    x = 186,671,460.09/15,464.79
  6. Step 6: Final answer
    x = 12,070.74

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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.