Home / 18,851.47-26,018.23-10,898.31

Finding the Fourth Proportional to 18,851.47, 26,018.23 and 10,898.31

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Solution

The fourth proportional to 18,851.47, 26,018.23 and 10,898.31 is: 15,041.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851.47 : 26,018.23 = 10,898.31 : x
  2. Step 2: Convert to fraction form
    18,851.47/26,018.23 = 10,898.31/x
  3. Step 3: Cross multiply
    18,851.47x = 26,018.23 × 10,898.31
  4. Step 4: Simplify right side
    18,851.47x = 283,554,736.19
  5. Step 5: Solve for x
    x = 283,554,736.19/18,851.47
  6. Step 6: Final answer
    x = 15,041.52

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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.