Home / 10,420.03-14,374.26-7,061.70

Finding the Fourth Proportional to 10,420.03, 14,374.26 and 7,061.70

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Solution

The fourth proportional to 10,420.03, 14,374.26 and 7,061.70 is: 9,741.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420.03 : 14,374.26 = 7,061.70 : x
  2. Step 2: Convert to fraction form
    10,420.03/14,374.26 = 7,061.70/x
  3. Step 3: Cross multiply
    10,420.03x = 14,374.26 × 7,061.70
  4. Step 4: Simplify right side
    10,420.03x = 101,506,711.84
  5. Step 5: Solve for x
    x = 101,506,711.84/10,420.03
  6. Step 6: Final answer
    x = 9,741.50

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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.