Home / 9,490.95-13,085.28-6,127.83

Finding the Fourth Proportional to 9,490.95, 13,085.28 and 6,127.83

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Solution

The fourth proportional to 9,490.95, 13,085.28 and 6,127.83 is: 8,448.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,490.95 : 13,085.28 = 6,127.83 : x
  2. Step 2: Convert to fraction form
    9,490.95/13,085.28 = 6,127.83/x
  3. Step 3: Cross multiply
    9,490.95x = 13,085.28 × 6,127.83
  4. Step 4: Simplify right side
    9,490.95x = 80,184,371.34
  5. Step 5: Solve for x
    x = 80,184,371.34/9,490.95
  6. Step 6: Final answer
    x = 8,448.51

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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.