Home / 14,948.72-20,606.69-12,291.51

Finding the Fourth Proportional to 14,948.72, 20,606.69 and 12,291.51

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Solution

The fourth proportional to 14,948.72, 20,606.69 and 12,291.51 is: 16,943.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,948.72 : 20,606.69 = 12,291.51 : x
  2. Step 2: Convert to fraction form
    14,948.72/20,606.69 = 12,291.51/x
  3. Step 3: Cross multiply
    14,948.72x = 20,606.69 × 12,291.51
  4. Step 4: Simplify right side
    14,948.72x = 253,287,336.20
  5. Step 5: Solve for x
    x = 253,287,336.20/14,948.72
  6. Step 6: Final answer
    x = 16,943.75

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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.