Home / 15,633.63-21,574.47-8,560.17

Finding the Fourth Proportional to 15,633.63, 21,574.47 and 8,560.17

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Solution

The fourth proportional to 15,633.63, 21,574.47 and 8,560.17 is: 11,813.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.63 : 21,574.47 = 8,560.17 : x
  2. Step 2: Convert to fraction form
    15,633.63/21,574.47 = 8,560.17/x
  3. Step 3: Cross multiply
    15,633.63x = 21,574.47 × 8,560.17
  4. Step 4: Simplify right side
    15,633.63x = 184,681,130.86
  5. Step 5: Solve for x
    x = 184,681,130.86/15,633.63
  6. Step 6: Final answer
    x = 11,813.07

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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.