Home / 19,397.61-26,768.68-10,899.76

Finding the Fourth Proportional to 19,397.61, 26,768.68 and 10,899.76

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Solution

The fourth proportional to 19,397.61, 26,768.68 and 10,899.76 is: 15,041.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397.61 : 26,768.68 = 10,899.76 : x
  2. Step 2: Convert to fraction form
    19,397.61/26,768.68 = 10,899.76/x
  3. Step 3: Cross multiply
    19,397.61x = 26,768.68 × 10,899.76
  4. Step 4: Simplify right side
    19,397.61x = 291,772,187.52
  5. Step 5: Solve for x
    x = 291,772,187.52/19,397.61
  6. Step 6: Final answer
    x = 15,041.66

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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.