Home / 13,284.02-19,900.11-10,348.58

Finding the Fourth Proportional to 13,284.02, 19,900.11 and 10,348.58

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Solution

The fourth proportional to 13,284.02, 19,900.11 and 10,348.58 is: 15,502.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.02 : 19,900.11 = 10,348.58 : x
  2. Step 2: Convert to fraction form
    13,284.02/19,900.11 = 10,348.58/x
  3. Step 3: Cross multiply
    13,284.02x = 19,900.11 × 10,348.58
  4. Step 4: Simplify right side
    13,284.02x = 205,937,880.34
  5. Step 5: Solve for x
    x = 205,937,880.34/13,284.02
  6. Step 6: Final answer
    x = 15,502.68

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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.