Home / 55,597.21-83,395.98-13,477.12

Finding the Fourth Proportional to 55,597.21, 83,395.98 and 13,477.12

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Solution

The fourth proportional to 55,597.21, 83,395.98 and 13,477.12 is: 20,215.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,597.21 : 83,395.98 = 13,477.12 : x
  2. Step 2: Convert to fraction form
    55,597.21/83,395.98 = 13,477.12/x
  3. Step 3: Cross multiply
    55,597.21x = 83,395.98 × 13,477.12
  4. Step 4: Simplify right side
    55,597.21x = 1,123,937,421.49
  5. Step 5: Solve for x
    x = 1,123,937,421.49/55,597.21
  6. Step 6: Final answer
    x = 20,215.72

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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.