Home / 9,504.64-13,117.12-5,312.80

Finding the Fourth Proportional to 9,504.64, 13,117.12 and 5,312.80

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Solution

The fourth proportional to 9,504.64, 13,117.12 and 5,312.80 is: 7,332.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,504.64 : 13,117.12 = 5,312.80 : x
  2. Step 2: Convert to fraction form
    9,504.64/13,117.12 = 5,312.80/x
  3. Step 3: Cross multiply
    9,504.64x = 13,117.12 × 5,312.80
  4. Step 4: Simplify right side
    9,504.64x = 69,688,635.14
  5. Step 5: Solve for x
    x = 69,688,635.14/9,504.64
  6. Step 6: Final answer
    x = 7,332.06

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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.