Home / 8,999.34-12,417.60-5,020.32

Finding the Fourth Proportional to 8,999.34, 12,417.60 and 5,020.32

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Solution

The fourth proportional to 8,999.34, 12,417.60 and 5,020.32 is: 6,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.34 : 12,417.60 = 5,020.32 : x
  2. Step 2: Convert to fraction form
    8,999.34/12,417.60 = 5,020.32/x
  3. Step 3: Cross multiply
    8,999.34x = 12,417.60 × 5,020.32
  4. Step 4: Simplify right side
    8,999.34x = 62,340,325.63
  5. Step 5: Solve for x
    x = 62,340,325.63/8,999.34
  6. Step 6: Final answer
    x = 6,927.21

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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.