Home / 15,030.04-20,749.80-10,001.08

Finding the Fourth Proportional to 15,030.04, 20,749.80 and 10,001.08

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Solution

The fourth proportional to 15,030.04, 20,749.80 and 10,001.08 is: 13,807.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,030.04 : 20,749.80 = 10,001.08 : x
  2. Step 2: Convert to fraction form
    15,030.04/20,749.80 = 10,001.08/x
  3. Step 3: Cross multiply
    15,030.04x = 20,749.80 × 10,001.08
  4. Step 4: Simplify right side
    15,030.04x = 207,520,409.78
  5. Step 5: Solve for x
    x = 207,520,409.78/15,030.04
  6. Step 6: Final answer
    x = 13,807.04

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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.