Home / 14,967.29-20,655.80-8,252.91

Finding the Fourth Proportional to 14,967.29, 20,655.80 and 8,252.91

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Solution

The fourth proportional to 14,967.29, 20,655.80 and 8,252.91 is: 11,389.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,967.29 : 20,655.80 = 8,252.91 : x
  2. Step 2: Convert to fraction form
    14,967.29/20,655.80 = 8,252.91/x
  3. Step 3: Cross multiply
    14,967.29x = 20,655.80 × 8,252.91
  4. Step 4: Simplify right side
    14,967.29x = 170,470,417.11
  5. Step 5: Solve for x
    x = 170,470,417.11/14,967.29
  6. Step 6: Final answer
    x = 11,389.54

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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.