Home / 13,466.74-18,582.87-9,931.90

Finding the Fourth Proportional to 13,466.74, 18,582.87 and 9,931.90

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Solution

The fourth proportional to 13,466.74, 18,582.87 and 9,931.90 is: 13,705.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466.74 : 18,582.87 = 9,931.90 : x
  2. Step 2: Convert to fraction form
    13,466.74/18,582.87 = 9,931.90/x
  3. Step 3: Cross multiply
    13,466.74x = 18,582.87 × 9,931.90
  4. Step 4: Simplify right side
    13,466.74x = 184,563,206.55
  5. Step 5: Solve for x
    x = 184,563,206.55/13,466.74
  6. Step 6: Final answer
    x = 13,705.11

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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.