Home / 19,807.74-27,334.85-10,856.07

Finding the Fourth Proportional to 19,807.74, 27,334.85 and 10,856.07

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Solution

The fourth proportional to 19,807.74, 27,334.85 and 10,856.07 is: 14,981.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.74 : 27,334.85 = 10,856.07 : x
  2. Step 2: Convert to fraction form
    19,807.74/27,334.85 = 10,856.07/x
  3. Step 3: Cross multiply
    19,807.74x = 27,334.85 × 10,856.07
  4. Step 4: Simplify right side
    19,807.74x = 296,748,990.76
  5. Step 5: Solve for x
    x = 296,748,990.76/19,807.74
  6. Step 6: Final answer
    x = 14,981.47

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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.