Home / 10,378.83-14,319.45-6,130.05

Finding the Fourth Proportional to 10,378.83, 14,319.45 and 6,130.05

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Solution

The fourth proportional to 10,378.83, 14,319.45 and 6,130.05 is: 8,457.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.83 : 14,319.45 = 6,130.05 : x
  2. Step 2: Convert to fraction form
    10,378.83/14,319.45 = 6,130.05/x
  3. Step 3: Cross multiply
    10,378.83x = 14,319.45 × 6,130.05
  4. Step 4: Simplify right side
    10,378.83x = 87,778,944.47
  5. Step 5: Solve for x
    x = 87,778,944.47/10,378.83
  6. Step 6: Final answer
    x = 8,457.50

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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.