Home / 10,426.39-15,642.01-3,030.99

Finding the Fourth Proportional to 10,426.39, 15,642.01 and 3,030.99

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Solution

The fourth proportional to 10,426.39, 15,642.01 and 3,030.99 is: 4,547.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426.39 : 15,642.01 = 3,030.99 : x
  2. Step 2: Convert to fraction form
    10,426.39/15,642.01 = 3,030.99/x
  3. Step 3: Cross multiply
    10,426.39x = 15,642.01 × 3,030.99
  4. Step 4: Simplify right side
    10,426.39x = 47,410,721.02
  5. Step 5: Solve for x
    x = 47,410,721.02/10,426.39
  6. Step 6: Final answer
    x = 4,547.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.