Home / 9,439.60-14,159.64-5,277.28

Finding the Fourth Proportional to 9,439.60, 14,159.64 and 5,277.28

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Solution

The fourth proportional to 9,439.60, 14,159.64 and 5,277.28 is: 7,916.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.60 : 14,159.64 = 5,277.28 : x
  2. Step 2: Convert to fraction form
    9,439.60/14,159.64 = 5,277.28/x
  3. Step 3: Cross multiply
    9,439.60x = 14,159.64 × 5,277.28
  4. Step 4: Simplify right side
    9,439.60x = 74,724,384.98
  5. Step 5: Solve for x
    x = 74,724,384.98/9,439.60
  6. Step 6: Final answer
    x = 7,916.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.