Home / 15,488.19-21,361.81-10,444.42

Finding the Fourth Proportional to 15,488.19, 21,361.81 and 10,444.42

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Solution

The fourth proportional to 15,488.19, 21,361.81 and 10,444.42 is: 14,405.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,488.19 : 21,361.81 = 10,444.42 : x
  2. Step 2: Convert to fraction form
    15,488.19/21,361.81 = 10,444.42/x
  3. Step 3: Cross multiply
    15,488.19x = 21,361.81 × 10,444.42
  4. Step 4: Simplify right side
    15,488.19x = 223,111,715.60
  5. Step 5: Solve for x
    x = 223,111,715.60/15,488.19
  6. Step 6: Final answer
    x = 14,405.28

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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.