Home / 19,119.49-26,384.50-10,621.22

Finding the Fourth Proportional to 19,119.49, 26,384.50 and 10,621.22

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Solution

The fourth proportional to 19,119.49, 26,384.50 and 10,621.22 is: 14,657.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.49 : 26,384.50 = 10,621.22 : x
  2. Step 2: Convert to fraction form
    19,119.49/26,384.50 = 10,621.22/x
  3. Step 3: Cross multiply
    19,119.49x = 26,384.50 × 10,621.22
  4. Step 4: Simplify right side
    19,119.49x = 280,235,420.61
  5. Step 5: Solve for x
    x = 280,235,420.61/19,119.49
  6. Step 6: Final answer
    x = 14,657.06

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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.