Home / 13,437.42-20,263.64-13,252.74

Finding the Fourth Proportional to 13,437.42, 20,263.64 and 13,252.74

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Solution

The fourth proportional to 13,437.42, 20,263.64 and 13,252.74 is: 19,985.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.42 : 20,263.64 = 13,252.74 : x
  2. Step 2: Convert to fraction form
    13,437.42/20,263.64 = 13,252.74/x
  3. Step 3: Cross multiply
    13,437.42x = 20,263.64 × 13,252.74
  4. Step 4: Simplify right side
    13,437.42x = 268,548,752.37
  5. Step 5: Solve for x
    x = 268,548,752.37/13,437.42
  6. Step 6: Final answer
    x = 19,985.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.