Home / 14,015.05-21,009.93-5,124.18

Finding the Fourth Proportional to 14,015.05, 21,009.93 and 5,124.18

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Solution

The fourth proportional to 14,015.05, 21,009.93 and 5,124.18 is: 7,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.05 : 21,009.93 = 5,124.18 : x
  2. Step 2: Convert to fraction form
    14,015.05/21,009.93 = 5,124.18/x
  3. Step 3: Cross multiply
    14,015.05x = 21,009.93 × 5,124.18
  4. Step 4: Simplify right side
    14,015.05x = 107,658,663.11
  5. Step 5: Solve for x
    x = 107,658,663.11/14,015.05
  6. Step 6: Final answer
    x = 7,681.65

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1.5x scale

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.