Home / 13,809.02-19,056.48-7,521.26

Finding the Fourth Proportional to 13,809.02, 19,056.48 and 7,521.26

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Solution

The fourth proportional to 13,809.02, 19,056.48 and 7,521.26 is: 10,379.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,809.02 : 19,056.48 = 7,521.26 : x
  2. Step 2: Convert to fraction form
    13,809.02/19,056.48 = 7,521.26/x
  3. Step 3: Cross multiply
    13,809.02x = 19,056.48 × 7,521.26
  4. Step 4: Simplify right side
    13,809.02x = 143,328,740.76
  5. Step 5: Solve for x
    x = 143,328,740.76/13,809.02
  6. Step 6: Final answer
    x = 10,379.36

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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.