Home / 10,557.06-14,551.95-8,315.38

Finding the Fourth Proportional to 10,557.06, 14,551.95 and 8,315.38

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Solution

The fourth proportional to 10,557.06, 14,551.95 and 8,315.38 is: 11,462.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.06 : 14,551.95 = 8,315.38 : x
  2. Step 2: Convert to fraction form
    10,557.06/14,551.95 = 8,315.38/x
  3. Step 3: Cross multiply
    10,557.06x = 14,551.95 × 8,315.38
  4. Step 4: Simplify right side
    10,557.06x = 121,004,993.99
  5. Step 5: Solve for x
    x = 121,004,993.99/10,557.06
  6. Step 6: Final answer
    x = 11,462.00

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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.