Home / 13,051.95-19,482.41-11,214.87

Finding the Fourth Proportional to 13,051.95, 19,482.41 and 11,214.87

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Solution

The fourth proportional to 13,051.95, 19,482.41 and 11,214.87 is: 16,740.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.95 : 19,482.41 = 11,214.87 : x
  2. Step 2: Convert to fraction form
    13,051.95/19,482.41 = 11,214.87/x
  3. Step 3: Cross multiply
    13,051.95x = 19,482.41 × 11,214.87
  4. Step 4: Simplify right side
    13,051.95x = 218,492,639.36
  5. Step 5: Solve for x
    x = 218,492,639.36/13,051.95
  6. Step 6: Final answer
    x = 16,740.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.