Home / 13,437.32-20,155.95-4,672.22

Finding the Fourth Proportional to 13,437.32, 20,155.95 and 4,672.22

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Solution

The fourth proportional to 13,437.32, 20,155.95 and 4,672.22 is: 7,008.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.32 : 20,155.95 = 4,672.22 : x
  2. Step 2: Convert to fraction form
    13,437.32/20,155.95 = 4,672.22/x
  3. Step 3: Cross multiply
    13,437.32x = 20,155.95 × 4,672.22
  4. Step 4: Simplify right side
    13,437.32x = 94,172,931.93
  5. Step 5: Solve for x
    x = 94,172,931.93/13,437.32
  6. Step 6: Final answer
    x = 7,008.31

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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.