Home / 19,280.11-26,607.90-10,785.03

Finding the Fourth Proportional to 19,280.11, 26,607.90 and 10,785.03

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Solution

The fourth proportional to 19,280.11, 26,607.90 and 10,785.03 is: 14,884.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.11 : 26,607.90 = 10,785.03 : x
  2. Step 2: Convert to fraction form
    19,280.11/26,607.90 = 10,785.03/x
  3. Step 3: Cross multiply
    19,280.11x = 26,607.90 × 10,785.03
  4. Step 4: Simplify right side
    19,280.11x = 286,967,079.29
  5. Step 5: Solve for x
    x = 286,967,079.29/19,280.11
  6. Step 6: Final answer
    x = 14,884.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.