Home / 13,269.13-18,314.01-7,607.68

Finding the Fourth Proportional to 13,269.13, 18,314.01 and 7,607.68

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Solution

The fourth proportional to 13,269.13, 18,314.01 and 7,607.68 is: 10,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.13 : 18,314.01 = 7,607.68 : x
  2. Step 2: Convert to fraction form
    13,269.13/18,314.01 = 7,607.68/x
  3. Step 3: Cross multiply
    13,269.13x = 18,314.01 × 7,607.68
  4. Step 4: Simplify right side
    13,269.13x = 139,327,127.60
  5. Step 5: Solve for x
    x = 139,327,127.60/13,269.13
  6. Step 6: Final answer
    x = 10,500.10

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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.