Home / 10,071.04-15,084.48-7,140.46

Finding the Fourth Proportional to 10,071.04, 15,084.48 and 7,140.46

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Solution

The fourth proportional to 10,071.04, 15,084.48 and 7,140.46 is: 10,695.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.04 : 15,084.48 = 7,140.46 : x
  2. Step 2: Convert to fraction form
    10,071.04/15,084.48 = 7,140.46/x
  3. Step 3: Cross multiply
    10,071.04x = 15,084.48 × 7,140.46
  4. Step 4: Simplify right side
    10,071.04x = 107,710,126.06
  5. Step 5: Solve for x
    x = 107,710,126.06/10,071.04
  6. Step 6: Final answer
    x = 10,695.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.