Home / 18,955.13-26,158.07-10,571.63

Finding the Fourth Proportional to 18,955.13, 26,158.07 and 10,571.63

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Solution

The fourth proportional to 18,955.13, 26,158.07 and 10,571.63 is: 14,588.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,955.13 : 26,158.07 = 10,571.63 : x
  2. Step 2: Convert to fraction form
    18,955.13/26,158.07 = 10,571.63/x
  3. Step 3: Cross multiply
    18,955.13x = 26,158.07 × 10,571.63
  4. Step 4: Simplify right side
    18,955.13x = 276,533,333.19
  5. Step 5: Solve for x
    x = 276,533,333.19/18,955.13
  6. Step 6: Final answer
    x = 14,588.84

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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.