Home / 13,566.24-18,710.88-9,088.56

Finding the Fourth Proportional to 13,566.24, 18,710.88 and 9,088.56

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Solution

The fourth proportional to 13,566.24, 18,710.88 and 9,088.56 is: 12,535.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.24 : 18,710.88 = 9,088.56 : x
  2. Step 2: Convert to fraction form
    13,566.24/18,710.88 = 9,088.56/x
  3. Step 3: Cross multiply
    13,566.24x = 18,710.88 × 9,088.56
  4. Step 4: Simplify right side
    13,566.24x = 170,054,955.53
  5. Step 5: Solve for x
    x = 170,054,955.53/13,566.24
  6. Step 6: Final answer
    x = 12,535.16

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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.