Home / 10,137.08-13,973.28-9,322.42

Finding the Fourth Proportional to 10,137.08, 13,973.28 and 9,322.42

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Solution

The fourth proportional to 10,137.08, 13,973.28 and 9,322.42 is: 12,850.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137.08 : 13,973.28 = 9,322.42 : x
  2. Step 2: Convert to fraction form
    10,137.08/13,973.28 = 9,322.42/x
  3. Step 3: Cross multiply
    10,137.08x = 13,973.28 × 9,322.42
  4. Step 4: Simplify right side
    10,137.08x = 130,264,715.07
  5. Step 5: Solve for x
    x = 130,264,715.07/10,137.08
  6. Step 6: Final answer
    x = 12,850.32

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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.