Home / 9,985.64-13,775.91-6,004.40

Finding the Fourth Proportional to 9,985.64, 13,775.91 and 6,004.40

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Solution

The fourth proportional to 9,985.64, 13,775.91 and 6,004.40 is: 8,283.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985.64 : 13,775.91 = 6,004.40 : x
  2. Step 2: Convert to fraction form
    9,985.64/13,775.91 = 6,004.40/x
  3. Step 3: Cross multiply
    9,985.64x = 13,775.91 × 6,004.40
  4. Step 4: Simplify right side
    9,985.64x = 82,716,074.00
  5. Step 5: Solve for x
    x = 82,716,074.00/9,985.64
  6. Step 6: Final answer
    x = 8,283.50

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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.