Home / 13,835.16-19,094.40-7,869.24

Finding the Fourth Proportional to 13,835.16, 19,094.40 and 7,869.24

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Solution

The fourth proportional to 13,835.16, 19,094.40 and 7,869.24 is: 10,860.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.16 : 19,094.40 = 7,869.24 : x
  2. Step 2: Convert to fraction form
    13,835.16/19,094.40 = 7,869.24/x
  3. Step 3: Cross multiply
    13,835.16x = 19,094.40 × 7,869.24
  4. Step 4: Simplify right side
    13,835.16x = 150,258,416.26
  5. Step 5: Solve for x
    x = 150,258,416.26/13,835.16
  6. Step 6: Final answer
    x = 10,860.62

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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.