Home / 18,860.81-26,028.47-10,477.13

Finding the Fourth Proportional to 18,860.81, 26,028.47 and 10,477.13

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Solution

The fourth proportional to 18,860.81, 26,028.47 and 10,477.13 is: 14,458.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,860.81 : 26,028.47 = 10,477.13 : x
  2. Step 2: Convert to fraction form
    18,860.81/26,028.47 = 10,477.13/x
  3. Step 3: Cross multiply
    18,860.81x = 26,028.47 × 10,477.13
  4. Step 4: Simplify right side
    18,860.81x = 272,703,559.94
  5. Step 5: Solve for x
    x = 272,703,559.94/18,860.81
  6. Step 6: Final answer
    x = 14,458.74

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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.