Home / 19,118.32-26,384.02-10,621.08

Finding the Fourth Proportional to 19,118.32, 26,384.02 and 10,621.08

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Solution

The fourth proportional to 19,118.32, 26,384.02 and 10,621.08 is: 14,657.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.32 : 26,384.02 = 10,621.08 : x
  2. Step 2: Convert to fraction form
    19,118.32/26,384.02 = 10,621.08/x
  3. Step 3: Cross multiply
    19,118.32x = 26,384.02 × 10,621.08
  4. Step 4: Simplify right side
    19,118.32x = 280,226,787.14
  5. Step 5: Solve for x
    x = 280,226,787.14/19,118.32
  6. Step 6: Final answer
    x = 14,657.50

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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.