Home / 10,948.08-16,421.95-7,429.35

Finding the Fourth Proportional to 10,948.08, 16,421.95 and 7,429.35

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Solution

The fourth proportional to 10,948.08, 16,421.95 and 7,429.35 is: 11,143.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.08 : 16,421.95 = 7,429.35 : x
  2. Step 2: Convert to fraction form
    10,948.08/16,421.95 = 7,429.35/x
  3. Step 3: Cross multiply
    10,948.08x = 16,421.95 × 7,429.35
  4. Step 4: Simplify right side
    10,948.08x = 122,004,414.23
  5. Step 5: Solve for x
    x = 122,004,414.23/10,948.08
  6. Step 6: Final answer
    x = 11,143.91

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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.