Home / 13,637.48-18,829.04-10,445.13

Finding the Fourth Proportional to 13,637.48, 18,829.04 and 10,445.13

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Solution

The fourth proportional to 13,637.48, 18,829.04 and 10,445.13 is: 14,421.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.48 : 18,829.04 = 10,445.13 : x
  2. Step 2: Convert to fraction form
    13,637.48/18,829.04 = 10,445.13/x
  3. Step 3: Cross multiply
    13,637.48x = 18,829.04 × 10,445.13
  4. Step 4: Simplify right side
    13,637.48x = 196,671,718.35
  5. Step 5: Solve for x
    x = 196,671,718.35/13,637.48
  6. Step 6: Final answer
    x = 14,421.42

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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.