Home / 13,347.68-18,424.17-9,369.77

Finding the Fourth Proportional to 13,347.68, 18,424.17 and 9,369.77

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Solution

The fourth proportional to 13,347.68, 18,424.17 and 9,369.77 is: 12,933.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347.68 : 18,424.17 = 9,369.77 : x
  2. Step 2: Convert to fraction form
    13,347.68/18,424.17 = 9,369.77/x
  3. Step 3: Cross multiply
    13,347.68x = 18,424.17 × 9,369.77
  4. Step 4: Simplify right side
    13,347.68x = 172,630,235.34
  5. Step 5: Solve for x
    x = 172,630,235.34/13,347.68
  6. Step 6: Final answer
    x = 12,933.35

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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.