Home / 13,870.93-20,809.47-4,009.46

Finding the Fourth Proportional to 13,870.93, 20,809.47 and 4,009.46

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Solution

The fourth proportional to 13,870.93, 20,809.47 and 4,009.46 is: 6,015.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870.93 : 20,809.47 = 4,009.46 : x
  2. Step 2: Convert to fraction form
    13,870.93/20,809.47 = 4,009.46/x
  3. Step 3: Cross multiply
    13,870.93x = 20,809.47 × 4,009.46
  4. Step 4: Simplify right side
    13,870.93x = 83,434,737.59
  5. Step 5: Solve for x
    x = 83,434,737.59/13,870.93
  6. Step 6: Final answer
    x = 6,015.08

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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.