Home / 18,866.24-26,038.64-10,913.30

Finding the Fourth Proportional to 18,866.24, 26,038.64 and 10,913.30

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Solution

The fourth proportional to 18,866.24, 26,038.64 and 10,913.30 is: 15,062.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866.24 : 26,038.64 = 10,913.30 : x
  2. Step 2: Convert to fraction form
    18,866.24/26,038.64 = 10,913.30/x
  3. Step 3: Cross multiply
    18,866.24x = 26,038.64 × 10,913.30
  4. Step 4: Simplify right side
    18,866.24x = 284,167,435.35
  5. Step 5: Solve for x
    x = 284,167,435.35/18,866.24
  6. Step 6: Final answer
    x = 15,062.22

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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.