Home / 10,377.87-14,317.16-6,603.12

Finding the Fourth Proportional to 10,377.87, 14,317.16 and 6,603.12

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Solution

The fourth proportional to 10,377.87, 14,317.16 and 6,603.12 is: 9,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.87 : 14,317.16 = 6,603.12 : x
  2. Step 2: Convert to fraction form
    10,377.87/14,317.16 = 6,603.12/x
  3. Step 3: Cross multiply
    10,377.87x = 14,317.16 × 6,603.12
  4. Step 4: Simplify right side
    10,377.87x = 94,537,892.52
  5. Step 5: Solve for x
    x = 94,537,892.52/10,377.87
  6. Step 6: Final answer
    x = 9,109.56

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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.