Home / 9,133.17-12,603.95-5,359.22

Finding the Fourth Proportional to 9,133.17, 12,603.95 and 5,359.22

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Solution

The fourth proportional to 9,133.17, 12,603.95 and 5,359.22 is: 7,395.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.17 : 12,603.95 = 5,359.22 : x
  2. Step 2: Convert to fraction form
    9,133.17/12,603.95 = 5,359.22/x
  3. Step 3: Cross multiply
    9,133.17x = 12,603.95 × 5,359.22
  4. Step 4: Simplify right side
    9,133.17x = 67,547,251.10
  5. Step 5: Solve for x
    x = 67,547,251.10/9,133.17
  6. Step 6: Final answer
    x = 7,395.82

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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.