Home / 10,603.17-14,634.45-7,018.20

Finding the Fourth Proportional to 10,603.17, 14,634.45 and 7,018.20

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Solution

The fourth proportional to 10,603.17, 14,634.45 and 7,018.20 is: 9,686.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603.17 : 14,634.45 = 7,018.20 : x
  2. Step 2: Convert to fraction form
    10,603.17/14,634.45 = 7,018.20/x
  3. Step 3: Cross multiply
    10,603.17x = 14,634.45 × 7,018.20
  4. Step 4: Simplify right side
    10,603.17x = 102,707,496.99
  5. Step 5: Solve for x
    x = 102,707,496.99/10,603.17
  6. Step 6: Final answer
    x = 9,686.49

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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.