Home / 18,607.81-25,678.78-10,224.31

Finding the Fourth Proportional to 18,607.81, 25,678.78 and 10,224.31

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Solution

The fourth proportional to 18,607.81, 25,678.78 and 10,224.31 is: 14,109.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,607.81 : 25,678.78 = 10,224.31 : x
  2. Step 2: Convert to fraction form
    18,607.81/25,678.78 = 10,224.31/x
  3. Step 3: Cross multiply
    18,607.81x = 25,678.78 × 10,224.31
  4. Step 4: Simplify right side
    18,607.81x = 262,547,807.14
  5. Step 5: Solve for x
    x = 262,547,807.14/18,607.81
  6. Step 6: Final answer
    x = 14,109.55

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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.