Home / 15,569.46-21,485.28-8,495.74

Finding the Fourth Proportional to 15,569.46, 21,485.28 and 8,495.74

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Solution

The fourth proportional to 15,569.46, 21,485.28 and 8,495.74 is: 11,723.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,569.46 : 21,485.28 = 8,495.74 : x
  2. Step 2: Convert to fraction form
    15,569.46/21,485.28 = 8,495.74/x
  3. Step 3: Cross multiply
    15,569.46x = 21,485.28 × 8,495.74
  4. Step 4: Simplify right side
    15,569.46x = 182,533,352.71
  5. Step 5: Solve for x
    x = 182,533,352.71/15,569.46
  6. Step 6: Final answer
    x = 11,723.81

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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.