Home / 14,083.02-19,434.51-7,709.64

Finding the Fourth Proportional to 14,083.02, 19,434.51 and 7,709.64

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Solution

The fourth proportional to 14,083.02, 19,434.51 and 7,709.64 is: 10,639.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.02 : 19,434.51 = 7,709.64 : x
  2. Step 2: Convert to fraction form
    14,083.02/19,434.51 = 7,709.64/x
  3. Step 3: Cross multiply
    14,083.02x = 19,434.51 × 7,709.64
  4. Step 4: Simplify right side
    14,083.02x = 149,833,075.68
  5. Step 5: Solve for x
    x = 149,833,075.68/14,083.02
  6. Step 6: Final answer
    x = 10,639.27

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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.