Home / 13,475.37-18,602.80-10,443.75

Finding the Fourth Proportional to 13,475.37, 18,602.80 and 10,443.75

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Solution

The fourth proportional to 13,475.37, 18,602.80 and 10,443.75 is: 14,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.37 : 18,602.80 = 10,443.75 : x
  2. Step 2: Convert to fraction form
    13,475.37/18,602.80 = 10,443.75/x
  3. Step 3: Cross multiply
    13,475.37x = 18,602.80 × 10,443.75
  4. Step 4: Simplify right side
    13,475.37x = 194,282,896.63
  5. Step 5: Solve for x
    x = 194,282,896.63/13,475.37
  6. Step 6: Final answer
    x = 14,417.63

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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.