Home / 18,935.07-26,130.36-10,551.57

Finding the Fourth Proportional to 18,935.07, 26,130.36 and 10,551.57

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Solution

The fourth proportional to 18,935.07, 26,130.36 and 10,551.57 is: 14,561.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,935.07 : 26,130.36 = 10,551.57 : x
  2. Step 2: Convert to fraction form
    18,935.07/26,130.36 = 10,551.57/x
  3. Step 3: Cross multiply
    18,935.07x = 26,130.36 × 10,551.57
  4. Step 4: Simplify right side
    18,935.07x = 275,716,322.67
  5. Step 5: Solve for x
    x = 275,716,322.67/18,935.07
  6. Step 6: Final answer
    x = 14,561.15

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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.