Home / 21,890.87-32,863.98-10,056.47

Finding the Fourth Proportional to 21,890.87, 32,863.98 and 10,056.47

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Solution

The fourth proportional to 21,890.87, 32,863.98 and 10,056.47 is: 15,097.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,890.87 : 32,863.98 = 10,056.47 : x
  2. Step 2: Convert to fraction form
    21,890.87/32,863.98 = 10,056.47/x
  3. Step 3: Cross multiply
    21,890.87x = 32,863.98 × 10,056.47
  4. Step 4: Simplify right side
    21,890.87x = 330,495,464.63
  5. Step 5: Solve for x
    x = 330,495,464.63/21,890.87
  6. Step 6: Final answer
    x = 15,097.41

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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.