Home / 18,347.04-25,317.63-10,387.80

Finding the Fourth Proportional to 18,347.04, 25,317.63 and 10,387.80

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Solution

The fourth proportional to 18,347.04, 25,317.63 and 10,387.80 is: 14,334.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.04 : 25,317.63 = 10,387.80 : x
  2. Step 2: Convert to fraction form
    18,347.04/25,317.63 = 10,387.80/x
  3. Step 3: Cross multiply
    18,347.04x = 25,317.63 × 10,387.80
  4. Step 4: Simplify right side
    18,347.04x = 262,994,476.91
  5. Step 5: Solve for x
    x = 262,994,476.91/18,347.04
  6. Step 6: Final answer
    x = 14,334.44

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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.