Home / 13,534.08-18,676.40-7,484.10

Finding the Fourth Proportional to 13,534.08, 18,676.40 and 7,484.10

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Solution

The fourth proportional to 13,534.08, 18,676.40 and 7,484.10 is: 10,327.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534.08 : 18,676.40 = 7,484.10 : x
  2. Step 2: Convert to fraction form
    13,534.08/18,676.40 = 7,484.10/x
  3. Step 3: Cross multiply
    13,534.08x = 18,676.40 × 7,484.10
  4. Step 4: Simplify right side
    13,534.08x = 139,776,045.24
  5. Step 5: Solve for x
    x = 139,776,045.24/13,534.08
  6. Step 6: Final answer
    x = 10,327.71

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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.