Home / 14,947.57-20,478.26-14,387.05

Finding the Fourth Proportional to 14,947.57, 20,478.26 and 14,387.05

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Solution

The fourth proportional to 14,947.57, 20,478.26 and 14,387.05 is: 19,710.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947.57 : 20,478.26 = 14,387.05 : x
  2. Step 2: Convert to fraction form
    14,947.57/20,478.26 = 14,387.05/x
  3. Step 3: Cross multiply
    14,947.57x = 20,478.26 × 14,387.05
  4. Step 4: Simplify right side
    14,947.57x = 294,621,750.53
  5. Step 5: Solve for x
    x = 294,621,750.53/14,947.57
  6. Step 6: Final answer
    x = 19,710.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.