Home / 9,417.60-13,027.23-8,779.32

Finding the Fourth Proportional to 9,417.60, 13,027.23 and 8,779.32

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Solution

The fourth proportional to 9,417.60, 13,027.23 and 8,779.32 is: 12,144.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.60 : 13,027.23 = 8,779.32 : x
  2. Step 2: Convert to fraction form
    9,417.60/13,027.23 = 8,779.32/x
  3. Step 3: Cross multiply
    9,417.60x = 13,027.23 × 8,779.32
  4. Step 4: Simplify right side
    9,417.60x = 114,370,220.88
  5. Step 5: Solve for x
    x = 114,370,220.88/9,417.60
  6. Step 6: Final answer
    x = 12,144.31

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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.