Home / 12,038.67-18,058.77-4,643.15

Finding the Fourth Proportional to 12,038.67, 18,058.77 and 4,643.15

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Solution

The fourth proportional to 12,038.67, 18,058.77 and 4,643.15 is: 6,965.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.67 : 18,058.77 = 4,643.15 : x
  2. Step 2: Convert to fraction form
    12,038.67/18,058.77 = 4,643.15/x
  3. Step 3: Cross multiply
    12,038.67x = 18,058.77 × 4,643.15
  4. Step 4: Simplify right side
    12,038.67x = 83,849,487.63
  5. Step 5: Solve for x
    x = 83,849,487.63/12,038.67
  6. Step 6: Final answer
    x = 6,965.01

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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.