Home / 12,319.64-18,477.63-4,526.63

Finding the Fourth Proportional to 12,319.64, 18,477.63 and 4,526.63

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Solution

The fourth proportional to 12,319.64, 18,477.63 and 4,526.63 is: 6,789.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319.64 : 18,477.63 = 4,526.63 : x
  2. Step 2: Convert to fraction form
    12,319.64/18,477.63 = 4,526.63/x
  3. Step 3: Cross multiply
    12,319.64x = 18,477.63 × 4,526.63
  4. Step 4: Simplify right side
    12,319.64x = 83,641,301.90
  5. Step 5: Solve for x
    x = 83,641,301.90/12,319.64
  6. Step 6: Final answer
    x = 6,789.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.