Home / 8,931.24-12,322.60-7,036.95

Finding the Fourth Proportional to 8,931.24, 12,322.60 and 7,036.95

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Solution

The fourth proportional to 8,931.24, 12,322.60 and 7,036.95 is: 9,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.24 : 12,322.60 = 7,036.95 : x
  2. Step 2: Convert to fraction form
    8,931.24/12,322.60 = 7,036.95/x
  3. Step 3: Cross multiply
    8,931.24x = 12,322.60 × 7,036.95
  4. Step 4: Simplify right side
    8,931.24x = 86,713,502.48
  5. Step 5: Solve for x
    x = 86,713,502.48/8,931.24
  6. Step 6: Final answer
    x = 9,709.01

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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.