Home / 13,058.98-18,023.61-7,756.66

Finding the Fourth Proportional to 13,058.98, 18,023.61 and 7,756.66

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Solution

The fourth proportional to 13,058.98, 18,023.61 and 7,756.66 is: 10,705.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058.98 : 18,023.61 = 7,756.66 : x
  2. Step 2: Convert to fraction form
    13,058.98/18,023.61 = 7,756.66/x
  3. Step 3: Cross multiply
    13,058.98x = 18,023.61 × 7,756.66
  4. Step 4: Simplify right side
    13,058.98x = 139,803,014.74
  5. Step 5: Solve for x
    x = 139,803,014.74/13,058.98
  6. Step 6: Final answer
    x = 10,705.51

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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.