Home / 15,459.81-21,351.95-10,444.75

Finding the Fourth Proportional to 15,459.81, 21,351.95 and 10,444.75

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Solution

The fourth proportional to 15,459.81, 21,351.95 and 10,444.75 is: 14,425.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459.81 : 21,351.95 = 10,444.75 : x
  2. Step 2: Convert to fraction form
    15,459.81/21,351.95 = 10,444.75/x
  3. Step 3: Cross multiply
    15,459.81x = 21,351.95 × 10,444.75
  4. Step 4: Simplify right side
    15,459.81x = 223,015,772.08
  5. Step 5: Solve for x
    x = 223,015,772.08/15,459.81
  6. Step 6: Final answer
    x = 14,425.52

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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.