Home / 14,509.90-21,785.10-9,277.30

Finding the Fourth Proportional to 14,509.90, 21,785.10 and 9,277.30

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Solution

The fourth proportional to 14,509.90, 21,785.10 and 9,277.30 is: 13,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,509.90 : 21,785.10 = 9,277.30 : x
  2. Step 2: Convert to fraction form
    14,509.90/21,785.10 = 9,277.30/x
  3. Step 3: Cross multiply
    14,509.90x = 21,785.10 × 9,277.30
  4. Step 4: Simplify right side
    14,509.90x = 202,106,908.23
  5. Step 5: Solve for x
    x = 202,106,908.23/14,509.90
  6. Step 6: Final answer
    x = 13,928.90

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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.