Home / 46,509.19-69,763.79-13,677.19

Finding the Fourth Proportional to 46,509.19, 69,763.79 and 13,677.19

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Solution

The fourth proportional to 46,509.19, 69,763.79 and 13,677.19 is: 20,515.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,509.19 : 69,763.79 = 13,677.19 : x
  2. Step 2: Convert to fraction form
    46,509.19/69,763.79 = 13,677.19/x
  3. Step 3: Cross multiply
    46,509.19x = 69,763.79 × 13,677.19
  4. Step 4: Simplify right side
    46,509.19x = 954,172,368.15
  5. Step 5: Solve for x
    x = 954,172,368.15/46,509.19
  6. Step 6: Final answer
    x = 20,515.78

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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.