Home / 18,887.02-26,064.40-10,389.52

Finding the Fourth Proportional to 18,887.02, 26,064.40 and 10,389.52

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Solution

The fourth proportional to 18,887.02, 26,064.40 and 10,389.52 is: 14,337.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887.02 : 26,064.40 = 10,389.52 : x
  2. Step 2: Convert to fraction form
    18,887.02/26,064.40 = 10,389.52/x
  3. Step 3: Cross multiply
    18,887.02x = 26,064.40 × 10,389.52
  4. Step 4: Simplify right side
    18,887.02x = 270,796,605.09
  5. Step 5: Solve for x
    x = 270,796,605.09/18,887.02
  6. Step 6: Final answer
    x = 14,337.71

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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.