Home / 13,362.55-18,434.53-8,054.35

Finding the Fourth Proportional to 13,362.55, 18,434.53 and 8,054.35

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Solution

The fourth proportional to 13,362.55, 18,434.53 and 8,054.35 is: 11,111.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.55 : 18,434.53 = 8,054.35 : x
  2. Step 2: Convert to fraction form
    13,362.55/18,434.53 = 8,054.35/x
  3. Step 3: Cross multiply
    13,362.55x = 18,434.53 × 8,054.35
  4. Step 4: Simplify right side
    13,362.55x = 148,478,156.71
  5. Step 5: Solve for x
    x = 148,478,156.71/13,362.55
  6. Step 6: Final answer
    x = 11,111.51

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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.