Home / 14,880.42-20,535.93-9,835.79

Finding the Fourth Proportional to 14,880.42, 20,535.93 and 9,835.79

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Solution

The fourth proportional to 14,880.42, 20,535.93 and 9,835.79 is: 13,574.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,880.42 : 20,535.93 = 9,835.79 : x
  2. Step 2: Convert to fraction form
    14,880.42/20,535.93 = 9,835.79/x
  3. Step 3: Cross multiply
    14,880.42x = 20,535.93 × 9,835.79
  4. Step 4: Simplify right side
    14,880.42x = 201,986,992.26
  5. Step 5: Solve for x
    x = 201,986,992.26/14,880.42
  6. Step 6: Final answer
    x = 13,574.01

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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.