Home / 10,004.80-13,790.15-7,095.32

Finding the Fourth Proportional to 10,004.80, 13,790.15 and 7,095.32

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Solution

The fourth proportional to 10,004.80, 13,790.15 and 7,095.32 is: 9,779.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,004.80 : 13,790.15 = 7,095.32 : x
  2. Step 2: Convert to fraction form
    10,004.80/13,790.15 = 7,095.32/x
  3. Step 3: Cross multiply
    10,004.80x = 13,790.15 × 7,095.32
  4. Step 4: Simplify right side
    10,004.80x = 97,845,527.10
  5. Step 5: Solve for x
    x = 97,845,527.10/10,004.80
  6. Step 6: Final answer
    x = 9,779.86

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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.